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here is the log from the commit of package gap-digraphs for openSUSE:Factory 
checked in at 2024-02-20 21:14:46
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Comparing /work/SRC/openSUSE:Factory/gap-digraphs (Old)
 and      /work/SRC/openSUSE:Factory/.gap-digraphs.new.1706 (New)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Package is "gap-digraphs"

Tue Feb 20 21:14:46 2024 rev:3 rq:1147672 version:1.7.1

Changes:
--------
--- /work/SRC/openSUSE:Factory/gap-digraphs/gap-digraphs.changes        
2024-02-14 23:20:21.723764297 +0100
+++ /work/SRC/openSUSE:Factory/.gap-digraphs.new.1706/gap-digraphs.changes      
2024-02-20 21:15:00.491322026 +0100
@@ -1,0 +2,7 @@
+Mon Feb 19 21:19:19 UTC 2024 - Jan Engelhardt <[email protected]>
+
+- Update to release 1.7.1
+  * Unspecified changes related to forthcoming changes in the
+    GAP core.
+
+-------------------------------------------------------------------

Old:
----
  digraphs-1.7.0.tar.gz

New:
----
  digraphs-1.7.1.tar.gz

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Other differences:
------------------
++++++ gap-digraphs.spec ++++++
--- /var/tmp/diff_new_pack.NrJD5E/_old  2024-02-20 21:15:01.027342827 +0100
+++ /var/tmp/diff_new_pack.NrJD5E/_new  2024-02-20 21:15:01.027342827 +0100
@@ -17,7 +17,7 @@
 
 
 Name:           gap-digraphs
-Version:        1.7.0
+Version:        1.7.1
 Release:        0
 Summary:        GAP: Digraphs and multigraphs
 License:        GPL-3.0-or-later

++++++ digraphs-1.7.0.tar.gz -> digraphs-1.7.1.tar.gz ++++++
++++ 3448 lines of diff (skipped)
++++    retrying with extended exclude list
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/.VERSION new/digraphs-1.7.1/.VERSION
--- old/digraphs-1.7.0/.VERSION 2024-02-14 19:55:39.000000000 +0100
+++ new/digraphs-1.7.1/.VERSION 2024-02-19 20:25:47.000000000 +0100
@@ -1 +1 @@
-1.7.0
+1.7.1
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/CHANGELOG.md new/digraphs-1.7.1/CHANGELOG.md
--- old/digraphs-1.7.0/CHANGELOG.md     2024-02-14 17:54:52.000000000 +0100
+++ new/digraphs-1.7.1/CHANGELOG.md     2024-02-19 18:17:02.000000000 +0100
@@ -1,9 +1,14 @@
 # CHANGELOG – Digraphs package for GAP
-Copyright © 2014-23 by Jan De Beule, Julius Jonušas, James D. Mitchell,
+Copyright © 2014-24 by Jan De Beule, Julius Jonušas, James D. Mitchell,
 Wilf A. Wilson, Michael Young et al.
 
 Licensing information can be found in the `LICENSE` file.
 
+## Version 1.7.1 (released 19/02/2024)
+
+This is a minor release with some changes related to forthcoming changes in
+GAP. These changes were implemented by Fabian Zickgraf.
+
 ## Version 1.7.0 (released 14/02/2024)
 
 This is a minor release with some new features, and some other improvements in
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/PackageInfo.g new/digraphs-1.7.1/PackageInfo.g
--- old/digraphs-1.7.0/PackageInfo.g    2024-02-14 17:54:52.000000000 +0100
+++ new/digraphs-1.7.1/PackageInfo.g    2024-02-19 18:17:02.000000000 +0100
@@ -9,14 +9,14 @@
 ##
 
 ##  <#GAPDoc Label="PKGVERSIONDATA">
-##  <!ENTITY VERSION                  "1.7.0">
+##  <!ENTITY VERSION                  "1.7.1">
 ##  <!ENTITY GAPVERS                  "4.10.0">
 ##  <!ENTITY GRAPEVERS                "4.8.1">
 ##  <!ENTITY IOVERS                   "4.5.1">
 ##  <!ENTITY ORBVERS                  "4.8.2">
 ##  <!ENTITY DATASTRUCTURESVERS       "0.2.5">
 ##  <!ENTITY NAUTYTRACESINTERFACEVERS "0.2">
-##  <!ENTITY ARCHIVENAME    "digraphs-1.7.0">
+##  <!ENTITY ARCHIVENAME    "digraphs-1.7.1">
 ##  <!ENTITY COPYRIGHTYEARS "2014-24">
 ##  <#/GAPDoc>
 
@@ -28,8 +28,8 @@
 SetPackageInfo(rec(
 PackageName := "Digraphs",
 Subtitle := "Graphs, digraphs, and multidigraphs in GAP",
-Version := "1.7.0",
-Date := "14/02/2024",  # dd/mm/yyyy format
+Version := "1.7.1",
+Date := "19/02/2024",  # dd/mm/yyyy format
 License := "GPL-3.0-or-later",
 ArchiveFormats := ".tar.gz",
 
@@ -353,7 +353,14 @@
     WWWHome       := "https://mct25.host.cs.st-andrews.ac.uk";,
     PostalAddress := _STANDREWSCS,
     Place         := "St Andrews",
-    Institution   := "University of St Andrews")],
+    Institution   := "University of St Andrews"),
+
+  rec(
+    LastName      := "Zickgraf",
+    FirstNames    := "Fabian",
+    IsAuthor      := false,
+    IsMaintainer  := false,
+    Email         := "[email protected]")],
 
 Status := "deposited",
 
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/VERSIONS new/digraphs-1.7.1/VERSIONS
--- old/digraphs-1.7.0/VERSIONS 2024-02-14 17:54:52.000000000 +0100
+++ new/digraphs-1.7.1/VERSIONS 2024-02-19 18:17:02.000000000 +0100
@@ -8,6 +8,7 @@
 #############################################################################
 ##
 
+release 1.7.1 - 19/02/2024
 release 1.7.0 - 14/02/2024
 release 1.6.3 - 13/09/2023
 release 1.6.2 - 05/04/2023
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chap0.html new/digraphs-1.7.1/doc/chap0.html
--- old/digraphs-1.7.0/doc/chap0.html   2024-02-14 19:55:46.000000000 +0100
+++ new/digraphs-1.7.1/doc/chap0.html   2024-02-19 20:25:54.000000000 +0100
@@ -25,7 +25,7 @@
 
 <h1><strong class="pkg">Digraphs</strong></h1>
 
-<p>Version 1.7.0</p>
+<p>Version 1.7.1</p>
 
 </div>
 <p><b>Jan De Beule
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chap0.txt new/digraphs-1.7.1/doc/chap0.txt
--- old/digraphs-1.7.0/doc/chap0.txt    2024-02-14 19:55:40.000000000 +0100
+++ new/digraphs-1.7.1/doc/chap0.txt    2024-02-19 20:25:48.000000000 +0100
@@ -3,7 +3,7 @@
                                     Digraphs
   
   
-                                 Version 1.7.0
+                                 Version 1.7.1
   
   
                                   Jan De Beule
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chap0_mj.html new/digraphs-1.7.1/doc/chap0_mj.html
--- old/digraphs-1.7.0/doc/chap0_mj.html        2024-02-14 19:55:46.000000000 
+0100
+++ new/digraphs-1.7.1/doc/chap0_mj.html        2024-02-19 20:25:54.000000000 
+0100
@@ -28,7 +28,7 @@
 
 <h1><strong class="pkg">Digraphs</strong></h1>
 
-<p>Version 1.7.0</p>
+<p>Version 1.7.1</p>
 
 </div>
 <p><b>Jan De Beule
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chap1.html new/digraphs-1.7.1/doc/chap1.html
--- old/digraphs-1.7.0/doc/chap1.html   2024-02-14 19:55:46.000000000 +0100
+++ new/digraphs-1.7.1/doc/chap1.html   2024-02-19 20:25:54.000000000 +0100
@@ -42,7 +42,7 @@
 
 <h4>1.1 <span class="Heading">Introduction</span></h4>
 
-<p>This is the manual for version 1.7.0 of the <strong 
class="pkg">Digraphs</strong> package. This package was developed at the 
University of St Andrews by:</p>
+<p>This is the manual for version 1.7.1 of the <strong 
class="pkg">Digraphs</strong> package. This package was developed at the 
University of St Andrews by:</p>
 
 
 <ul>
@@ -123,7 +123,7 @@
 
 <p>The <span class="URL"><a 
href="https://github.com/graph-algorithms/edge-addition-planarity-suite";>edge-addition-planarity-suite</a></span>
 is also included in <strong class="pkg">Digraphs</strong>; see <a 
href="chapBib.html#biBBM04">[BM04]</a>, <a 
href="chapBib.html#biBB06">[Boy06]</a>, <a 
href="chapBib.html#biBBM06">[BM06]</a>, and <a 
href="chapBib.html#biBB12">[Boy12]</a> . The <span class="URL"><a 
href="https://github.com/graph-algorithms/edge-addition-planarity-suite";>edge-addition-planarity-suite</a></span>
 is an open-source implementation of the edge addition planar graph embedding 
algorithm and related algorithms by John M. Boyer. See Section <a 
href="chap6.html#X7E2305528492DDC0"><span class="RefLink">6.7</span></a> for 
more details.</p>
 
-<p>From version 1.0.0 of this package, digraphs can be either mutable or 
immutable. Mutable digraphs can be changed in-place by many of the methods in 
the package, which avoids unnecessary copying. Immutable digraphs cannot be 
changed in-place, but their advantage is that the value of an attribute of an 
immutable digraph is only ever computed once. Mutable digraphs can be converted 
into immutable digraphs in-place using <code class="func">MakeImmutable</code> 
(<a href="../../../doc/ref/chap12.html#X80CE136D804097C7"><span 
class="RefLink">Reference: MakeImmutable</span></a>). One of the motivations 
for introducing mutable digraphs in version 1.0.0 was that in practice the 
authors often wanted to create a digraph and immediately modify it (removing 
certain edges, loops, and so on). Before version 1.0.0, this involved copying 
the digraph several times, with each copy being discarded almost immediately. 
From version 1.0.0, this unnecessary copying can be eliminated by first 
creating a m
 utable digraph, then changing it in-place, and finally converting the mutable 
digraph to an immutable one in-place (if desirable).</p>
+<p>From version 1.0.0 of this package, digraphs can be either mutable or 
immutable. Mutable digraphs can be changed in-place by many of the methods in 
the package, which avoids unnecessary copying. Immutable digraphs cannot be 
changed in-place, but their advantage is that the value of an attribute of an 
immutable digraph is only ever computed once. Mutable digraphs can be converted 
into immutable digraphs in-place using <code class="func">MakeImmutable</code> 
(<a href="../../../doc/ref/chap12_mj.html#X80CE136D804097C7"><span 
class="RefLink">Reference: MakeImmutable</span></a>). One of the motivations 
for introducing mutable digraphs in version 1.0.0 was that in practice the 
authors often wanted to create a digraph and immediately modify it (removing 
certain edges, loops, and so on). Before version 1.0.0, this involved copying 
the digraph several times, with each copy being discarded almost immediately. 
From version 1.0.0, this unnecessary copying can be eliminated by first 
creating 
 a mutable digraph, then changing it in-place, and finally converting the 
mutable digraph to an immutable one in-place (if desirable).</p>
 
 <p><a id="X84541F61810C741D" name="X84541F61810C741D"></a></p>
 
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chap1.txt new/digraphs-1.7.1/doc/chap1.txt
--- old/digraphs-1.7.0/doc/chap1.txt    2024-02-14 19:55:40.000000000 +0100
+++ new/digraphs-1.7.1/doc/chap1.txt    2024-02-19 20:25:48.000000000 +0100
@@ -4,7 +4,7 @@
   
   1.1 Introduction
   
-  This  is  the manual for version 1.7.0 of the Digraphs 
package. This package
+  This  is  the manual for version 1.7.1 of the Digraphs 
package. This package
   was developed at the University of St Andrews by:
   
       Jan De Beule,
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chap1_mj.html new/digraphs-1.7.1/doc/chap1_mj.html
--- old/digraphs-1.7.0/doc/chap1_mj.html        2024-02-14 19:55:46.000000000 
+0100
+++ new/digraphs-1.7.1/doc/chap1_mj.html        2024-02-19 20:25:54.000000000 
+0100
@@ -45,7 +45,7 @@
 
 <h4>1.1 <span class="Heading">Introduction</span></h4>
 
-<p>This is the manual for version 1.7.0 of the <strong 
class="pkg">Digraphs</strong> package. This package was developed at the 
University of St Andrews by:</p>
+<p>This is the manual for version 1.7.1 of the <strong 
class="pkg">Digraphs</strong> package. This package was developed at the 
University of St Andrews by:</p>
 
 
 <ul>
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chap2.html new/digraphs-1.7.1/doc/chap2.html
--- old/digraphs-1.7.0/doc/chap2.html   2024-02-14 19:55:46.000000000 +0100
+++ new/digraphs-1.7.1/doc/chap2.html   2024-02-19 20:25:54.000000000 +0100
@@ -80,16 +80,16 @@
 <li><p><strong class="button">This step is optional:</strong> certain 
functions in <strong class="pkg">Digraphs</strong> require the <span 
class="URL"><a 
href="https://github.com/gap-packages/NautyTracesInterface";>NautyTracesInterface</a></span>
 package to be available. If you want to make use of these functions, please 
ensure that the <span class="URL"><a 
href="https://github.com/gap-packages/NautyTracesInterface";>NautyTracesInterface</a></span>
 package version 0.2 or higher is available. If <span class="URL"><a 
href="https://github.com/gap-packages/NautyTracesInterface";>NautyTracesInterface</a></span>
 is not available, then <strong class="pkg">Digraphs</strong> can be used as 
normal with the exception that functions whose names contain "Nauty" will not 
work.</p>
 
 </li>
-<li><p>download the package archive <code 
class="file">digraphs-1.7.0.tar.gz</code> from <span class="URL"><a 
href="https://digraphs.github.io/Digraphs/";>the Digraphs package 
webpage</a></span>.</p>
+<li><p>download the package archive <code 
class="file">digraphs-1.7.1.tar.gz</code> from <span class="URL"><a 
href="https://digraphs.github.io/Digraphs/";>the Digraphs package 
webpage</a></span>.</p>
 
 </li>
-<li><p>unzip and untar the file, this should create a directory called <code 
class="file">digraphs-1.7.0</code>.</p>
+<li><p>unzip and untar the file, this should create a directory called <code 
class="file">digraphs-1.7.1</code>.</p>
 
 </li>
-<li><p>locate the <code class="file">pkg</code> directory of your <strong 
class="pkg">GAP</strong> directory, which contains the directories <code 
class="file">lib</code>, <code class="file">doc</code> and so on. Move the 
directory <code class="file">digraphs-1.7.0</code> into the <code 
class="file">pkg</code> directory.</p>
+<li><p>locate the <code class="file">pkg</code> directory of your <strong 
class="pkg">GAP</strong> directory, which contains the directories <code 
class="file">lib</code>, <code class="file">doc</code> and so on. Move the 
directory <code class="file">digraphs-1.7.1</code> into the <code 
class="file">pkg</code> directory.</p>
 
 </li>
-<li><p>it is necessary to compile the <strong class="pkg">Digraphs</strong> 
package. Inside the <code class="file">pkg/digraphs-1.7.0</code> directory, 
type</p>
+<li><p>it is necessary to compile the <strong class="pkg">Digraphs</strong> 
package. Inside the <code class="file">pkg/digraphs-1.7.1</code> directory, 
type</p>
 
 
 <div class="example"><pre>
@@ -148,7 +148,7 @@
 <td class="tdleft"><code class="code">--without-intrinsics</code></td>
 <td class="tdleft">do not use compiler intrinsics even if available</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 <p><a id="X780AA9D97EBCA95D" name="X780AA9D97EBCA95D"></a></p>
@@ -185,7 +185,7 @@
 
 <p>It is not possible to use the <strong class="pkg">Digraphs</strong> package 
without compiling it.</p>
 
-<p>To compile the kernel component inside the <code 
class="file">pkg/digraphs-1.7.0</code> directory, type</p>
+<p>To compile the kernel component inside the <code 
class="file">pkg/digraphs-1.7.1</code> directory, type</p>
 
 
 <div class="example"><pre>
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chap2.txt new/digraphs-1.7.1/doc/chap2.txt
--- old/digraphs-1.7.0/doc/chap2.txt    2024-02-14 19:55:40.000000000 +0100
+++ new/digraphs-1.7.1/doc/chap2.txt    2024-02-19 20:25:48.000000000 +0100
@@ -39,18 +39,18 @@
         not  available, then Digraphs can be used as normal with the 
exception
         that functions whose names contain Nauty will not 
work.
   
-      download  the  package archive 
digraphs-1.7.0.tar.gz from the Digraphs
+      download  the  package archive 
digraphs-1.7.1.tar.gz from the Digraphs
         package webpage (https://digraphs.github.io/Digraphs/).
   
       unzip  and  untar  the  file,  this  should  create a 
directory called
-        digraphs-1.7.0.
+        digraphs-1.7.1.
   
       locate  the  pkg  directory  of your 
GAP directory, which contains the
-        directories lib, doc and so on. Move the 
directory digraphs-1.7.0 into
+        directories lib, doc and so on. Move the 
directory digraphs-1.7.1 into
         the pkg directory.
   
       it   is   necessary  to  compile  the  
Digraphs  package.  Inside  the
-        pkg/digraphs-1.7.0 directory, type
+        pkg/digraphs-1.7.1 directory, type
   
         
           ./configure
@@ -119,7 +119,7 @@
   
   It is not possible to use the Digraphs package without 
compiling it.
   
-  To  compile  the  kernel  component inside the 
pkg/digraphs-1.7.0 directory,
+  To  compile  the  kernel  component inside the 
pkg/digraphs-1.7.1 directory,
   type
   
   
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chap2_mj.html new/digraphs-1.7.1/doc/chap2_mj.html
--- old/digraphs-1.7.0/doc/chap2_mj.html        2024-02-14 19:55:46.000000000 
+0100
+++ new/digraphs-1.7.1/doc/chap2_mj.html        2024-02-19 20:25:54.000000000 
+0100
@@ -83,16 +83,16 @@
 <li><p><strong class="button">This step is optional:</strong> certain 
functions in <strong class="pkg">Digraphs</strong> require the <span 
class="URL"><a 
href="https://github.com/gap-packages/NautyTracesInterface";>NautyTracesInterface</a></span>
 package to be available. If you want to make use of these functions, please 
ensure that the <span class="URL"><a 
href="https://github.com/gap-packages/NautyTracesInterface";>NautyTracesInterface</a></span>
 package version 0.2 or higher is available. If <span class="URL"><a 
href="https://github.com/gap-packages/NautyTracesInterface";>NautyTracesInterface</a></span>
 is not available, then <strong class="pkg">Digraphs</strong> can be used as 
normal with the exception that functions whose names contain "Nauty" will not 
work.</p>
 
 </li>
-<li><p>download the package archive <code 
class="file">digraphs-1.7.0.tar.gz</code> from <span class="URL"><a 
href="https://digraphs.github.io/Digraphs/";>the Digraphs package 
webpage</a></span>.</p>
+<li><p>download the package archive <code 
class="file">digraphs-1.7.1.tar.gz</code> from <span class="URL"><a 
href="https://digraphs.github.io/Digraphs/";>the Digraphs package 
webpage</a></span>.</p>
 
 </li>
-<li><p>unzip and untar the file, this should create a directory called <code 
class="file">digraphs-1.7.0</code>.</p>
+<li><p>unzip and untar the file, this should create a directory called <code 
class="file">digraphs-1.7.1</code>.</p>
 
 </li>
-<li><p>locate the <code class="file">pkg</code> directory of your <strong 
class="pkg">GAP</strong> directory, which contains the directories <code 
class="file">lib</code>, <code class="file">doc</code> and so on. Move the 
directory <code class="file">digraphs-1.7.0</code> into the <code 
class="file">pkg</code> directory.</p>
+<li><p>locate the <code class="file">pkg</code> directory of your <strong 
class="pkg">GAP</strong> directory, which contains the directories <code 
class="file">lib</code>, <code class="file">doc</code> and so on. Move the 
directory <code class="file">digraphs-1.7.1</code> into the <code 
class="file">pkg</code> directory.</p>
 
 </li>
-<li><p>it is necessary to compile the <strong class="pkg">Digraphs</strong> 
package. Inside the <code class="file">pkg/digraphs-1.7.0</code> directory, 
type</p>
+<li><p>it is necessary to compile the <strong class="pkg">Digraphs</strong> 
package. Inside the <code class="file">pkg/digraphs-1.7.1</code> directory, 
type</p>
 
 
 <div class="example"><pre>
@@ -151,7 +151,7 @@
 <td class="tdleft"><code class="code">--without-intrinsics</code></td>
 <td class="tdleft">do not use compiler intrinsics even if available</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 <p><a id="X780AA9D97EBCA95D" name="X780AA9D97EBCA95D"></a></p>
@@ -188,7 +188,7 @@
 
 <p>It is not possible to use the <strong class="pkg">Digraphs</strong> package 
without compiling it.</p>
 
-<p>To compile the kernel component inside the <code 
class="file">pkg/digraphs-1.7.0</code> directory, type</p>
+<p>To compile the kernel component inside the <code 
class="file">pkg/digraphs-1.7.1</code> directory, type</p>
 
 
 <div class="example"><pre>
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chap3.html new/digraphs-1.7.1/doc/chap3.html
--- old/digraphs-1.7.0/doc/chap3.html   2024-02-14 19:55:46.000000000 +0100
+++ new/digraphs-1.7.1/doc/chap3.html   2024-02-19 20:25:54.000000000 +0100
@@ -181,18 +181,18 @@
 <h5>3.1-2 IsMutableDigraph</h5>
 
 <div class="func"><table class="func" width="100%"><tr><td 
class="tdleft"><code class="func">&#8227; IsMutableDigraph</code></td><td 
class="tdright">(&nbsp;category&nbsp;)</td></tr></table></div>
-<p><code class="code">IsMutableDigraph</code> is a synonym for <code 
class="func">IsDigraph</code> (<a href="chap3.html#X7877ADC77F85E630"><span 
class="RefLink">3.1-1</span></a>) and <code class="func">IsMutable</code> (<a 
href="../../../doc/ref/chap12.html#X7999AD1D7A4F1F46"><span 
class="RefLink">Reference: IsMutable</span></a>). A mutable digraph may be 
changed in-place by methods in the <strong class="pkg">Digraphs</strong> 
package, and is not attribute-storing – see <code 
class="func">IsAttributeStoringRep</code> (<a 
href="../../../doc/ref/chap13.html#X7A951C33839AF2C1"><span 
class="RefLink">Reference: IsAttributeStoringRep</span></a>).</p>
+<p><code class="code">IsMutableDigraph</code> is a synonym for <code 
class="func">IsDigraph</code> (<a href="chap3.html#X7877ADC77F85E630"><span 
class="RefLink">3.1-1</span></a>) and <code class="func">IsMutable</code> (<a 
href="../../../doc/ref/chap12_mj.html#X7999AD1D7A4F1F46"><span 
class="RefLink">Reference: IsMutable</span></a>). A mutable digraph may be 
changed in-place by methods in the <strong class="pkg">Digraphs</strong> 
package, and is not attribute-storing – see <code 
class="func">IsAttributeStoringRep</code> (<a 
href="../../../doc/ref/chap13_mj.html#X7A951C33839AF2C1"><span 
class="RefLink">Reference: IsAttributeStoringRep</span></a>).</p>
 
-<p>A mutable digraph may be converted into an immutable attribute-storing 
digraph by calling <code class="func">MakeImmutable</code> (<a 
href="../../../doc/ref/chap12.html#X80CE136D804097C7"><span 
class="RefLink">Reference: MakeImmutable</span></a>) on the digraph.</p>
+<p>A mutable digraph may be converted into an immutable attribute-storing 
digraph by calling <code class="func">MakeImmutable</code> (<a 
href="../../../doc/ref/chap12_mj.html#X80CE136D804097C7"><span 
class="RefLink">Reference: MakeImmutable</span></a>) on the digraph.</p>
 
 <p><a id="X7CAFAA89804F80BD" name="X7CAFAA89804F80BD"></a></p>
 
 <h5>3.1-3 IsImmutableDigraph</h5>
 
 <div class="func"><table class="func" width="100%"><tr><td 
class="tdleft"><code class="func">&#8227; IsImmutableDigraph</code></td><td 
class="tdright">(&nbsp;category&nbsp;)</td></tr></table></div>
-<p><code class="code">IsImmutableDigraph</code> is a subcategory of <code 
class="func">IsDigraph</code> (<a href="chap3.html#X7877ADC77F85E630"><span 
class="RefLink">3.1-1</span></a>). Digraphs that lie in <code 
class="code">IsImmutableDigraph</code> are immutable and attribute-storing. In 
particular, they lie in <code class="func">IsAttributeStoringRep</code> (<a 
href="../../../doc/ref/chap13.html#X7A951C33839AF2C1"><span 
class="RefLink">Reference: IsAttributeStoringRep</span></a>).</p>
+<p><code class="code">IsImmutableDigraph</code> is a subcategory of <code 
class="func">IsDigraph</code> (<a href="chap3.html#X7877ADC77F85E630"><span 
class="RefLink">3.1-1</span></a>). Digraphs that lie in <code 
class="code">IsImmutableDigraph</code> are immutable and attribute-storing. In 
particular, they lie in <code class="func">IsAttributeStoringRep</code> (<a 
href="../../../doc/ref/chap13_mj.html#X7A951C33839AF2C1"><span 
class="RefLink">Reference: IsAttributeStoringRep</span></a>).</p>
 
-<p>A mutable digraph may be converted to an immutable digraph that lies in the 
category <code class="code">IsImmutableDigraph</code> by calling <code 
class="func">MakeImmutable</code> (<a 
href="../../../doc/ref/chap12.html#X80CE136D804097C7"><span 
class="RefLink">Reference: MakeImmutable</span></a>) on the digraph.</p>
+<p>A mutable digraph may be converted to an immutable digraph that lies in the 
category <code class="code">IsImmutableDigraph</code> by calling <code 
class="func">MakeImmutable</code> (<a 
href="../../../doc/ref/chap12_mj.html#X80CE136D804097C7"><span 
class="RefLink">Reference: MakeImmutable</span></a>) on the digraph.</p>
 
 <p>The operation <code class="func">DigraphMutableCopy</code> (<a 
href="chap3.html#X83D93A8A8251E6F9"><span class="RefLink">3.3-1</span></a>) can 
be used to construct a mutable copy of an immutable digraph. It is however not 
possible to convert an immutable digraph into a mutable digraph in-place.</p>
 
@@ -528,25 +528,25 @@
 <dt><strong class="Mark">
           a transformation
         </strong></dt>
-<dd><p>satisfying <code class="func">IsTransformation</code> (<a 
href="../../../doc/ref/chap53.html#X7B6259467974FB70"><span 
class="RefLink">Reference: IsTransformation</span></a>);</p>
+<dd><p>satisfying <code class="func">IsTransformation</code> (<a 
href="../../../doc/ref/chap53_mj.html#X7B6259467974FB70"><span 
class="RefLink">Reference: IsTransformation</span></a>);</p>
 
 </dd>
 <dt><strong class="Mark">
           a permutation
         </strong></dt>
-<dd><p>satisfying <code class="func">IsPerm</code> (<a 
href="../../../doc/ref/chap42.html#X7AA69C6686FC49EA"><span 
class="RefLink">Reference: IsPerm</span></a>);</p>
+<dd><p>satisfying <code class="func">IsPerm</code> (<a 
href="../../../doc/ref/chap42_mj.html#X7AA69C6686FC49EA"><span 
class="RefLink">Reference: IsPerm</span></a>);</p>
 
 </dd>
 <dt><strong class="Mark">
           a partial perm
         </strong></dt>
-<dd><p>satisfying <code class="func">IsPartialPerm</code> (<a 
href="../../../doc/ref/chap54.html#X7EECE133792B30FC"><span 
class="RefLink">Reference: IsPartialPerm</span></a>);</p>
+<dd><p>satisfying <code class="func">IsPartialPerm</code> (<a 
href="../../../doc/ref/chap54_mj.html#X7EECE133792B30FC"><span 
class="RefLink">Reference: IsPartialPerm</span></a>);</p>
 
 </dd>
 <dt><strong class="Mark">
           a binary relation
         </strong></dt>
-<dd><p>satisfying <code class="func">IsBinaryRelation</code> (<a 
href="../../../doc/ref/chap33.html#X838651287FCCEFD8"><span 
class="RefLink">Reference: IsBinaryRelation</span></a>);</p>
+<dd><p>satisfying <code class="func">IsBinaryRelation</code> (<a 
href="../../../doc/ref/chap33_mj.html#X838651287FCCEFD8"><span 
class="RefLink">Reference: IsBinaryRelation</span></a>);</p>
 
 </dd>
 </dl>
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chap5.html new/digraphs-1.7.1/doc/chap5.html
--- old/digraphs-1.7.0/doc/chap5.html   2024-02-14 19:55:47.000000000 +0100
+++ new/digraphs-1.7.1/doc/chap5.html   2024-02-19 20:25:54.000000000 +0100
@@ -2180,7 +2180,7 @@
 
 <p>If <var class="Arg">digraph</var> is a digraph or a list of adjacencies 
which defines a digraph - see <code class="func">OutNeighbours</code> (<a 
href="chap5.html#X7E9880767AE68E00"><span class="RefLink">5.2-6</span></a>) - 
then this operation returns an iterator of the non-trivial directed paths (or 
directed cycles, in the case that <var class="Arg">u</var> <code 
class="code">=</code> <var class="Arg">v</var>) in <var 
class="Arg">digraph</var> from the vertex <var class="Arg">u</var> to the 
vertex <var class="Arg">v</var>.</p>
 
-<p>See <code class="func">DigraphPath</code> (<a 
href="chap5.html#X8039170B82A32257"><span class="RefLink">5.4-22</span></a>) 
for more information about the representation of a directed path or directed 
cycle which is used, and see <a 
href="../../../doc/ref/chap30.html#X85A3F00985453F95"><span 
class="RefLink">Reference: Iterators</span></a> for more information about 
iterators. See Section <a href="chap1.html#X84541F61810C741D"><span 
class="RefLink"><span class="Heading">Definitions</span></span></a> for the 
definition of a directed path and a directed cycle.</p>
+<p>See <code class="func">DigraphPath</code> (<a 
href="chap5.html#X8039170B82A32257"><span class="RefLink">5.4-22</span></a>) 
for more information about the representation of a directed path or directed 
cycle which is used, and see <a 
href="../../../doc/ref/chap30_mj.html#X85A3F00985453F95"><span 
class="RefLink">Reference: Iterators</span></a> for more information about 
iterators. See Section <a href="chap1.html#X84541F61810C741D"><span 
class="RefLink"><span class="Heading">Definitions</span></span></a> for the 
definition of a directed path and a directed cycle.</p>
 
 
 <div class="example"><pre>
@@ -2503,11 +2503,11 @@
 <div class="func"><table class="func" width="100%"><tr><td 
class="tdleft"><code class="func">&#8227; AsMonoid</code>( <var 
class="Arg">filt</var>, <var class="Arg">digraph</var> )</td><td 
class="tdright">(&nbsp;operation&nbsp;)</td></tr></table></div>
 <p>Returns: A semilattice of partial perms.</p>
 
-<p>The operation <code class="code">AsSemigroup</code> requires that <var 
class="Arg">filt</var> be equal to <code 
class="func">IsPartialPermSemigroup</code> (<a 
href="../../../doc/ref/chap54.html#X7D161674800B50E0"><span 
class="RefLink">Reference: IsPartialPermSemigroup</span></a>). If <var 
class="Arg">digraph</var> is a <code 
class="func">IsJoinSemilatticeDigraph</code> (<a 
href="chap6.html#X78D3E17B7F737516"><span class="RefLink">6.4-3</span></a>) or 
<code class="func">IsLatticeDigraph</code> (<a 
href="chap6.html#X78D3E17B7F737516"><span class="RefLink">6.4-3</span></a>) 
then <code class="code">AsSemigroup</code> returns a semigroup of partial perms 
which is isomorphic to the semigroup whose elements are the vertices of <var 
class="Arg">digraph</var> with the binary operation <code 
class="func">PartialOrderDigraphJoinOfVertices</code> (<a 
href="chap5.html#X7DDB33B686B3A2C6"><span class="RefLink">5.3-1</span></a>). If 
<var class="Arg">digraph</var> satisfies <code class="func">IsM
 eetSemilatticeDigraph</code> (<a href="chap6.html#X78D3E17B7F737516"><span 
class="RefLink">6.4-3</span></a>) but not <code 
class="func">IsJoinSemilatticeDigraph</code> (<a 
href="chap6.html#X78D3E17B7F737516"><span class="RefLink">6.4-3</span></a>) 
then <code class="code">AsSemigroup</code> returns a semigroup of partial perms 
which is isomorphic to the semigroup whose elements are the vertices of <var 
class="Arg">digraph</var> with the binary operation <code 
class="func">PartialOrderDigraphMeetOfVertices</code> (<a 
href="chap5.html#X7DDB33B686B3A2C6"><span class="RefLink">5.3-1</span></a>).</p>
+<p>The operation <code class="code">AsSemigroup</code> requires that <var 
class="Arg">filt</var> be equal to <code 
class="func">IsPartialPermSemigroup</code> (<a 
href="../../../doc/ref/chap54_mj.html#X7D161674800B50E0"><span 
class="RefLink">Reference: IsPartialPermSemigroup</span></a>). If <var 
class="Arg">digraph</var> is a <code 
class="func">IsJoinSemilatticeDigraph</code> (<a 
href="chap6.html#X78D3E17B7F737516"><span class="RefLink">6.4-3</span></a>) or 
<code class="func">IsLatticeDigraph</code> (<a 
href="chap6.html#X78D3E17B7F737516"><span class="RefLink">6.4-3</span></a>) 
then <code class="code">AsSemigroup</code> returns a semigroup of partial perms 
which is isomorphic to the semigroup whose elements are the vertices of <var 
class="Arg">digraph</var> with the binary operation <code 
class="func">PartialOrderDigraphJoinOfVertices</code> (<a 
href="chap5.html#X7DDB33B686B3A2C6"><span class="RefLink">5.3-1</span></a>). If 
<var class="Arg">digraph</var> satisfies <code class="func">
 IsMeetSemilatticeDigraph</code> (<a href="chap6.html#X78D3E17B7F737516"><span 
class="RefLink">6.4-3</span></a>) but not <code 
class="func">IsJoinSemilatticeDigraph</code> (<a 
href="chap6.html#X78D3E17B7F737516"><span class="RefLink">6.4-3</span></a>) 
then <code class="code">AsSemigroup</code> returns a semigroup of partial perms 
which is isomorphic to the semigroup whose elements are the vertices of <var 
class="Arg">digraph</var> with the binary operation <code 
class="func">PartialOrderDigraphMeetOfVertices</code> (<a 
href="chap5.html#X7DDB33B686B3A2C6"><span class="RefLink">5.3-1</span></a>).</p>
 
-<p>The operation <code class="code">AsMonoid</code> behaves similarly to <code 
class="code">AsSemigroup</code> except that <var class="Arg">filt</var> may 
also be equal to <code class="func">IsPartialPermMonoid</code> (<a 
href="../../../doc/ref/chap54.html#X7D161674800B50E0"><span 
class="RefLink">Reference: IsPartialPermMonoid</span></a>), <var 
class="Arg">digraph</var> must satisfy <code 
class="func">IsLatticeDigraph</code> (<a 
href="chap6.html#X78D3E17B7F737516"><span class="RefLink">6.4-3</span></a>), 
and the output satisfies <code class="func">IsMonoid</code> (<a 
href="../../../doc/ref/chap51.html#X861C523483C6248C"><span 
class="RefLink">Reference: IsMonoid</span></a>).</p>
+<p>The operation <code class="code">AsMonoid</code> behaves similarly to <code 
class="code">AsSemigroup</code> except that <var class="Arg">filt</var> may 
also be equal to <code class="func">IsPartialPermMonoid</code> (<a 
href="../../../doc/ref/chap54_mj.html#X7D161674800B50E0"><span 
class="RefLink">Reference: IsPartialPermMonoid</span></a>), <var 
class="Arg">digraph</var> must satisfy <code 
class="func">IsLatticeDigraph</code> (<a 
href="chap6.html#X78D3E17B7F737516"><span class="RefLink">6.4-3</span></a>), 
and the output satisfies <code class="func">IsMonoid</code> (<a 
href="../../../doc/ref/chap51_mj.html#X861C523483C6248C"><span 
class="RefLink">Reference: IsMonoid</span></a>).</p>
 
-<p>The output of both of these operations is guaranteed to be of minimal 
degree (see <code class="func">DegreeOfPartialPermSemigroup</code> (<a 
href="../../../doc/ref/chap54.html#X7D7F0BAB82F0D820"><span 
class="RefLink">Reference: DegreeOfPartialPermSemigroup</span></a>)). 
Furthermore the <code class="func">GeneratorsOfSemigroup</code> (<a 
href="../../../doc/ref/chap51.html#X78147A247963F23B"><span 
class="RefLink">Reference: GeneratorsOfSemigroup</span></a>) of the output is 
guaranteed to be the unique generating set of minimal size.</p>
+<p>The output of both of these operations is guaranteed to be of minimal 
degree (see <code class="func">DegreeOfPartialPermSemigroup</code> (<a 
href="../../../doc/ref/chap54_mj.html#X7D7F0BAB82F0D820"><span 
class="RefLink">Reference: DegreeOfPartialPermSemigroup</span></a>)). 
Furthermore the <code class="func">GeneratorsOfSemigroup</code> (<a 
href="../../../doc/ref/chap51_mj.html#X78147A247963F23B"><span 
class="RefLink">Reference: GeneratorsOfSemigroup</span></a>) of the output is 
guaranteed to be the unique generating set of minimal size.</p>
 
 
 <div class="example"><pre>
@@ -2535,7 +2535,7 @@
 <div class="func"><table class="func" width="100%"><tr><td 
class="tdleft"><code class="func">&#8227; AsSemigroup</code>( <var 
class="Arg">filt</var>, <var class="Arg">Y</var>, <var class="Arg">gps</var>, 
<var class="Arg">homs</var> )</td><td 
class="tdright">(&nbsp;operation&nbsp;)</td></tr></table></div>
 <p>Returns: A Clifford semigroup of partial perms.</p>
 
-<p>The operation <code class="code">AsSemigroup</code> requires that <var 
class="Arg">filt</var> be equal to <code 
class="func">IsPartialPermSemigroup</code> (<a 
href="../../../doc/ref/chap54.html#X7D161674800B50E0"><span 
class="RefLink">Reference: IsPartialPermSemigroup</span></a>). If <var 
class="Arg">Y</var> is a <code class="func">IsJoinSemilatticeDigraph</code> (<a 
href="chap6.html#X78D3E17B7F737516"><span class="RefLink">6.4-3</span></a>) or 
<code class="func">IsMeetSemilatticeDigraph</code> (<a 
href="chap6.html#X78D3E17B7F737516"><span class="RefLink">6.4-3</span></a>), 
<var class="Arg">gps</var> is a list of groups corresponding to each vertex, 
and <var class="Arg">homs</var> is a list containing for each edge <code 
class="code">(i, j)</code> in the transitive reduction of <var 
class="Arg">digraph</var> a triple <code class="code">[i, j, hom]</code> where 
<code class="code">hom</code> is a group homomorphism from <code 
class="code">gps[i]</code> to <code class="code">gps[j]<
 /code>, and the diagram of homomorphisms commutes, then <code 
class="code">AsSemigroup</code> returns a semigroup of partial perms which is 
isomorphic to the strong semilattice of groups <span class="SimpleMath">S[Y; 
gps; homs]</span>.</p>
+<p>The operation <code class="code">AsSemigroup</code> requires that <var 
class="Arg">filt</var> be equal to <code 
class="func">IsPartialPermSemigroup</code> (<a 
href="../../../doc/ref/chap54_mj.html#X7D161674800B50E0"><span 
class="RefLink">Reference: IsPartialPermSemigroup</span></a>). If <var 
class="Arg">Y</var> is a <code class="func">IsJoinSemilatticeDigraph</code> (<a 
href="chap6.html#X78D3E17B7F737516"><span class="RefLink">6.4-3</span></a>) or 
<code class="func">IsMeetSemilatticeDigraph</code> (<a 
href="chap6.html#X78D3E17B7F737516"><span class="RefLink">6.4-3</span></a>), 
<var class="Arg">gps</var> is a list of groups corresponding to each vertex, 
and <var class="Arg">homs</var> is a list containing for each edge <code 
class="code">(i, j)</code> in the transitive reduction of <var 
class="Arg">digraph</var> a triple <code class="code">[i, j, hom]</code> where 
<code class="code">hom</code> is a group homomorphism from <code 
class="code">gps[i]</code> to <code class="code">gps[
 j]</code>, and the diagram of homomorphisms commutes, then <code 
class="code">AsSemigroup</code> returns a semigroup of partial perms which is 
isomorphic to the strong semilattice of groups <span class="SimpleMath">S[Y; 
gps; homs]</span>.</p>
 
 
 <div class="example"><pre>
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chap6.html new/digraphs-1.7.1/doc/chap6.html
--- old/digraphs-1.7.0/doc/chap6.html   2024-02-14 19:55:47.000000000 +0100
+++ new/digraphs-1.7.1/doc/chap6.html   2024-02-19 20:25:54.000000000 +0100
@@ -1516,7 +1516,7 @@
 <div class="func"><table class="func" width="100%"><tr><td 
class="tdleft"><code class="func">&#8227; IsEdgeTransitive</code>( <var 
class="Arg">digraph</var> )</td><td 
class="tdright">(&nbsp;property&nbsp;)</td></tr></table></div>
 <p>Returns: <code class="keyw">true</code> or <code 
class="keyw">false</code>.</p>
 
-<p>If <var class="Arg">digraph</var> is a digraph without multiple edges, then 
<code class="code">IsEdgeTransitive</code> returns <code 
class="keyw">true</code> if <var class="Arg">digraph</var> is edge transitive, 
and <code class="keyw">false</code> otherwise. A digraph is <em>edge 
transitive</em> if its automorphism group acts transitively on its edges (via 
the action <code class="func">OnPairs</code> (<a 
href="../../../doc/ref/chap41.html#X80DAA1D2855B1456"><span 
class="RefLink">Reference: OnPairs</span></a>)).</p>
+<p>If <var class="Arg">digraph</var> is a digraph without multiple edges, then 
<code class="code">IsEdgeTransitive</code> returns <code 
class="keyw">true</code> if <var class="Arg">digraph</var> is edge transitive, 
and <code class="keyw">false</code> otherwise. A digraph is <em>edge 
transitive</em> if its automorphism group acts transitively on its edges (via 
the action <code class="func">OnPairs</code> (<a 
href="../../../doc/ref/chap41_mj.html#X80DAA1D2855B1456"><span 
class="RefLink">Reference: OnPairs</span></a>)).</p>
 
 <p>If the argument <var class="Arg">digraph</var> is mutable, then the return 
value of this property is recomputed every time it is called.</p>
 
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chap7.html new/digraphs-1.7.1/doc/chap7.html
--- old/digraphs-1.7.0/doc/chap7.html   2024-02-14 19:55:47.000000000 +0100
+++ new/digraphs-1.7.1/doc/chap7.html   2024-02-19 20:25:54.000000000 +0100
@@ -218,7 +218,7 @@
 
 <p>If <var class="Arg">digraph</var> is not a multidigraph then the 
automorphism group is returned as a group of permutations on the set of 
vertices of <var class="Arg">digraph</var>.</p>
 
-<p>If <var class="Arg">digraph</var> is a multidigraph then the automorphism 
group is returned as the direct product of a group of permutations on the set 
of vertices of <var class="Arg">digraph</var> with a group of permutations on 
the set of edges of <var class="Arg">digraph</var>. These groups can be 
accessed using <code class="func">Projection</code> (<a 
href="../../../doc/ref/chap32.html#X8769E8DA80BC96C1"><span 
class="RefLink">Reference: Projection for a domain and a positive 
integer</span></a>) on the returned group.</p>
+<p>If <var class="Arg">digraph</var> is a multidigraph then the automorphism 
group is returned as the direct product of a group of permutations on the set 
of vertices of <var class="Arg">digraph</var> with a group of permutations on 
the set of edges of <var class="Arg">digraph</var>. These groups can be 
accessed using <code class="func">Projection</code> (<a 
href="../../../doc/ref/chap32_mj.html#X8769E8DA80BC96C1"><span 
class="RefLink">Reference: Projection for a domain and a positive 
integer</span></a>) on the returned group.</p>
 
 <p>By default, the automorphism group is found using <span class="URL"><a 
href="http://www.tcs.tkk.fi/Software/bliss/";>bliss</a></span> by Tommi Junttila 
and Petteri Kaski. If <span class="URL"><a 
href="https://github.com/gap-packages/NautyTracesInterface";>NautyTracesInterface</a></span>
 is available, then <span class="URL"><a 
href="https://pallini.di.uniroma1.it/";>nauty</a></span> by Brendan Mckay and 
Adolfo Piperno can be used instead; see <code 
class="func">BlissAutomorphismGroup</code> (<a 
href="chap7.html#X7E7B0D88865A89F6"><span class="RefLink">7.2-3</span></a>), 
<code class="func">NautyAutomorphismGroup</code> (<a 
href="chap7.html#X857758B18144C0CD"><span class="RefLink">7.2-4</span></a>), 
<code class="func">DigraphsUseBliss</code> (<a 
href="chap7.html#X83E593F3855B122E"><span class="RefLink">7.2-1</span></a>), 
and <code class="func">DigraphsUseNauty</code> (<a 
href="chap7.html#X83E593F3855B122E"><span class="RefLink">7.2-1</span></a>).</p>
 
@@ -303,7 +303,7 @@
 
 <p>If <var class="Arg">digraph</var> is not a multidigraph then the 
automorphism group is returned as a group of permutations on the set of 
vertices of <var class="Arg">digraph</var>.</p>
 
-<p>If <var class="Arg">digraph</var> is a multidigraph then the automorphism 
group is returned as the direct product of a group of permutations on the set 
of vertices of <var class="Arg">digraph</var> with a group of permutations on 
the set of edges of <var class="Arg">digraph</var>. These groups can be 
accessed using <code class="func">Projection</code> (<a 
href="../../../doc/ref/chap32.html#X8769E8DA80BC96C1"><span 
class="RefLink">Reference: Projection for a domain and a positive 
integer</span></a>) on the returned group.</p>
+<p>If <var class="Arg">digraph</var> is a multidigraph then the automorphism 
group is returned as the direct product of a group of permutations on the set 
of vertices of <var class="Arg">digraph</var> with a group of permutations on 
the set of edges of <var class="Arg">digraph</var>. These groups can be 
accessed using <code class="func">Projection</code> (<a 
href="../../../doc/ref/chap32_mj.html#X8769E8DA80BC96C1"><span 
class="RefLink">Reference: Projection for a domain and a positive 
integer</span></a>) on the returned group.</p>
 
 <p>By default, the automorphism group is found using <span class="URL"><a 
href="http://www.tcs.tkk.fi/Software/bliss/";>bliss</a></span> by Tommi Junttila 
and Petteri Kaski. If <span class="URL"><a 
href="https://github.com/gap-packages/NautyTracesInterface";>NautyTracesInterface</a></span>
 is available, then <span class="URL"><a 
href="https://pallini.di.uniroma1.it/";>nauty</a></span> by Brendan Mckay and 
Adolfo Piperno can be used instead; see <code 
class="func">BlissAutomorphismGroup</code> (<a 
href="chap7.html#X7E7B0D88865A89F6"><span class="RefLink">7.2-3</span></a>), 
<code class="func">NautyAutomorphismGroup</code> (<a 
href="chap7.html#X857758B18144C0CD"><span class="RefLink">7.2-4</span></a>), 
<code class="func">DigraphsUseBliss</code> (<a 
href="chap7.html#X83E593F3855B122E"><span class="RefLink">7.2-1</span></a>), 
and <code class="func">DigraphsUseNauty</code> (<a 
href="chap7.html#X83E593F3855B122E"><span class="RefLink">7.2-1</span></a>).</p>
 
@@ -349,7 +349,7 @@
 
 <p>If <var class="Arg">digraph</var> is not a multidigraph then the 
automorphism group is returned as a group of permutations on the set of 
vertices of <var class="Arg">digraph</var>.</p>
 
-<p>If <var class="Arg">digraph</var> is a multidigraph then the automorphism 
group is returned as the direct product of a group of permutations on the set 
of vertices of <var class="Arg">digraph</var> with a group of permutations on 
the set of edges of <var class="Arg">digraph</var>. These groups can be 
accessed using <code class="func">Projection</code> (<a 
href="../../../doc/ref/chap32.html#X8769E8DA80BC96C1"><span 
class="RefLink">Reference: Projection for a domain and a positive 
integer</span></a>) on the returned group.</p>
+<p>If <var class="Arg">digraph</var> is a multidigraph then the automorphism 
group is returned as the direct product of a group of permutations on the set 
of vertices of <var class="Arg">digraph</var> with a group of permutations on 
the set of edges of <var class="Arg">digraph</var>. These groups can be 
accessed using <code class="func">Projection</code> (<a 
href="../../../doc/ref/chap32_mj.html#X8769E8DA80BC96C1"><span 
class="RefLink">Reference: Projection for a domain and a positive 
integer</span></a>) on the returned group.</p>
 
 <p>By default, the automorphism group is found using <span class="URL"><a 
href="http://www.tcs.tkk.fi/Software/bliss/";>bliss</a></span> by Tommi Junttila 
and Petteri Kaski. If <span class="URL"><a 
href="https://github.com/gap-packages/NautyTracesInterface";>NautyTracesInterface</a></span>
 is available, then <span class="URL"><a 
href="https://pallini.di.uniroma1.it/";>nauty</a></span> by Brendan Mckay and 
Adolfo Piperno can be used instead; see <code 
class="func">BlissAutomorphismGroup</code> (<a 
href="chap7.html#X7E7B0D88865A89F6"><span class="RefLink">7.2-3</span></a>), 
<code class="func">NautyAutomorphismGroup</code> (<a 
href="chap7.html#X857758B18144C0CD"><span class="RefLink">7.2-4</span></a>), 
<code class="func">DigraphsUseBliss</code> (<a 
href="chap7.html#X83E593F3855B122E"><span class="RefLink">7.2-1</span></a>), 
and <code class="func">DigraphsUseNauty</code> (<a 
href="chap7.html#X83E593F3855B122E"><span class="RefLink">7.2-1</span></a>).</p>
 
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chap9.html new/digraphs-1.7.1/doc/chap9.html
--- old/digraphs-1.7.0/doc/chap9.html   2024-02-14 19:55:47.000000000 +0100
+++ new/digraphs-1.7.1/doc/chap9.html   2024-02-19 20:25:54.000000000 +0100
@@ -82,7 +82,7 @@
 <dt><strong class="Mark">directory</strong></dt>
 <dd><p>this should be a string representing the name of the directory in <code 
class="code">path</code> where you want <code class="code">Splash</code> to do 
its work. This function will create this directory if does not already 
exist.</p>
 
-<p>The default value of this option is <code class="code">"tmp.viz"</code> if 
the option <code class="code">path</code> is present, and the result of <code 
class="func">DirectoryTemporary</code> (<a 
href="../../../doc/ref/chap9.html#X8222B1A886E6195E"><span 
class="RefLink">Reference: DirectoryTemporary</span></a>) is used otherwise.</p>
+<p>The default value of this option is <code class="code">"tmp.viz"</code> if 
the option <code class="code">path</code> is present, and the result of <code 
class="func">DirectoryTemporary</code> (<a 
href="../../../doc/ref/chap9_mj.html#X8222B1A886E6195E"><span 
class="RefLink">Reference: DirectoryTemporary</span></a>) is used otherwise.</p>
 
 </dd>
 <dt><strong class="Mark">filename</strong></dt>
@@ -136,7 +136,7 @@
 
 <p>The output is in <code class="code">dot</code> format (also known as <code 
class="code">GraphViz</code>) format. For details about this file format, and 
information about how to display or edit this format see <span class="URL"><a 
href="https://www.graphviz.org";>https://www.graphviz.org</a></span>.</p>
 
-<p>The string returned by <code class="code">DotDigraph</code> or <code 
class="code">DotVertexLabelledDigraph</code> can be written to a file using the 
command <code class="func">FileString</code> (<a 
href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc/doc/chap6.html#X7E14D32181FBC3C3";><span
 class="RefLink">GAPDoc: FileString</span></a>).</p>
+<p>The string returned by <code class="code">DotDigraph</code> or <code 
class="code">DotVertexLabelledDigraph</code> can be written to a file using the 
command <code class="func">FileString</code> (<a 
href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc/doc/chap6_mj.html#X7E14D32181FBC3C3";><span
 class="RefLink">GAPDoc: FileString</span></a>).</p>
 
 
 <div class="example"><pre>
@@ -368,7 +368,7 @@
 
 <p>The output is in <code class="code">dot</code> format (also known as <code 
class="code">GraphViz</code>) format. For details about this file format, and 
information about how to display or edit this format see <span class="URL"><a 
href="https://www.graphviz.org";>https://www.graphviz.org</a></span>.</p>
 
-<p>The string returned by <code class="code">DotSymmetricDigraph</code> can be 
written to a file using the command <code class="func">FileString</code> (<a 
href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc/doc/chap6.html#X7E14D32181FBC3C3";><span
 class="RefLink">GAPDoc: FileString</span></a>).</p>
+<p>The string returned by <code class="code">DotSymmetricDigraph</code> can be 
written to a file using the command <code class="func">FileString</code> (<a 
href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc/doc/chap6_mj.html#X7E14D32181FBC3C3";><span
 class="RefLink">GAPDoc: FileString</span></a>).</p>
 
 
 <div class="example"><pre>
@@ -449,7 +449,7 @@
 
 <p>The output is in <code class="code">dot</code> format (also known as <code 
class="code">GraphViz</code>) format. For details about this file format, and 
information about how to display or edit this format see <span class="URL"><a 
href="https://www.graphviz.org";>https://www.graphviz.org</a></span>.</p>
 
-<p>The string returned by <code class="code">DotPartialOrderDigraph</code> can 
be written to a file using the command <code class="func">FileString</code> (<a 
href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc/doc/chap6.html#X7E14D32181FBC3C3";><span
 class="RefLink">GAPDoc: FileString</span></a>).</p>
+<p>The string returned by <code class="code">DotPartialOrderDigraph</code> can 
be written to a file using the command <code class="func">FileString</code> (<a 
href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc/doc/chap6_mj.html#X7E14D32181FBC3C3";><span
 class="RefLink">GAPDoc: FileString</span></a>).</p>
 
 
 <div class="example"><pre>
@@ -473,7 +473,7 @@
 
 <p>The output is in <code class="code">dot</code> format (also known as <code 
class="code">GraphViz</code>) format. For details about this file format, and 
information about how to display or edit this format see <span class="URL"><a 
href="https://www.graphviz.org";>https://www.graphviz.org</a></span>.</p>
 
-<p>The string returned by <code class="code">DotPreorderDigraph</code> can be 
written to a file using the command <code class="func">FileString</code> (<a 
href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc/doc/chap6.html#X7E14D32181FBC3C3";><span
 class="RefLink">GAPDoc: FileString</span></a>).</p>
+<p>The string returned by <code class="code">DotPreorderDigraph</code> can be 
written to a file using the command <code class="func">FileString</code> (<a 
href="http://www.math.rwth-aachen.de/~Frank.Luebeck/GAPDoc/doc/chap6_mj.html#X7E14D32181FBC3C3";><span
 class="RefLink">GAPDoc: FileString</span></a>).</p>
 
 
 <div class="example"><pre>
@@ -535,11 +535,11 @@
 <div class="func"><table class="func" width="100%"><tr><td 
class="tdleft"><code class="func">&#8227; PrintString</code>( <var 
class="Arg">digraph</var> )</td><td 
class="tdright">(&nbsp;operation&nbsp;)</td></tr></table></div>
 <p>Returns: A string.</p>
 
-<p>Returns a string <code class="code">string</code> such that <code 
class="code">EvalString(string)</code> is equal to <var 
class="Arg">digraph</var>, and has the same mutability. See <code 
class="func">EvalString</code> (<a 
href="../../../doc/ref/chap27.html#X7DE4CCD285440659"><span 
class="RefLink">Reference: EvalString</span></a>).</p>
+<p>Returns a string <code class="code">string</code> such that <code 
class="code">EvalString(string)</code> is equal to <var 
class="Arg">digraph</var>, and has the same mutability. See <code 
class="func">EvalString</code> (<a 
href="../../../doc/ref/chap27_mj.html#X7DE4CCD285440659"><span 
class="RefLink">Reference: EvalString</span></a>).</p>
 
 <p>The methods installed for <code class="code">String</code> make some 
attempts to ensure that <code class="code">string</code> has as short a length 
as possible, but there may exist shorter strings that also evaluate to <var 
class="Arg">digraph</var>.</p>
 
-<p>It is possible that <code class="code">string</code> may contain escaped 
special characters. To obtain a representation of <var 
class="Arg">digraph</var> that can be entered as GAP input, please use <code 
class="func">Print</code> (<a 
href="../../../doc/ref/chap6.html#X7AFA64D97A1F39A3"><span 
class="RefLink">Reference: Print</span></a>). Note that <code 
class="code">Print</code> for a digraph delegates to <code 
class="code">PrintString</code>, which delegates to <code 
class="code">String</code>.</p>
+<p>It is possible that <code class="code">string</code> may contain escaped 
special characters. To obtain a representation of <var 
class="Arg">digraph</var> that can be entered as GAP input, please use <code 
class="func">Print</code> (<a 
href="../../../doc/ref/chap6_mj.html#X7AFA64D97A1F39A3"><span 
class="RefLink">Reference: Print</span></a>). Note that <code 
class="code">Print</code> for a digraph delegates to <code 
class="code">PrintString</code>, which delegates to <code 
class="code">String</code>.</p>
 
 
 <div class="example"><pre>
@@ -818,7 +818,7 @@
 <div class="func"><table class="func" width="100%"><tr><td 
class="tdleft"><code class="func">&#8227; IteratorFromDigraphFile</code>( <var 
class="Arg">filename</var>[, <var class="Arg">decoder</var>] )</td><td 
class="tdright">(&nbsp;function&nbsp;)</td></tr></table></div>
 <p>Returns: An iterator.</p>
 
-<p>If <var class="Arg">filename</var> is a string representing the name of a 
file containing encoded digraphs, then <code 
class="code">IteratorFromDigraphFile</code> returns an iterator for which the 
value of <code class="func">NextIterator</code> (<a 
href="../../../doc/ref/chap30.html#X879F62F77D1D1179"><span 
class="RefLink">Reference: NextIterator</span></a>) is the next digraph encoded 
in the file.</p>
+<p>If <var class="Arg">filename</var> is a string representing the name of a 
file containing encoded digraphs, then <code 
class="code">IteratorFromDigraphFile</code> returns an iterator for which the 
value of <code class="func">NextIterator</code> (<a 
href="../../../doc/ref/chap30_mj.html#X879F62F77D1D1179"><span 
class="RefLink">Reference: NextIterator</span></a>) is the next digraph encoded 
in the file.</p>
 
 <p>If the optional argument <var class="Arg">decoder</var> is specified and is 
a function which decodes a string into a digraph, then <code 
class="code">IteratorFromDigraphFile</code> will use <var 
class="Arg">decoder</var> to decode the digraphs contained in <var 
class="Arg">filename</var>.</p>
 
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chapA.html new/digraphs-1.7.1/doc/chapA.html
--- old/digraphs-1.7.0/doc/chapA.html   2024-02-14 19:55:47.000000000 +0100
+++ new/digraphs-1.7.1/doc/chapA.html   2024-02-19 20:25:54.000000000 +0100
@@ -126,7 +126,7 @@
 <td class="tdleft"><code class="func">SetDigraphVertexLabels</code> (<a 
href="chap5.html#X7E51F2FE87140B32"><span class="RefLink">5.1-10</span></a>) 
and <code class="func">SetDigraphVertexLabel</code> (<a 
href="chap5.html#X7CA91E4B7904F793"><span class="RefLink">5.1-9</span></a>)</td>
 <td class="tdleft">Use <code class="func">SetDigraphVertexLabel</code> (<a 
href="chap5.html#X7CA91E4B7904F793"><span class="RefLink">5.1-9</span></a>) to 
set an individual vertex label and <code 
class="func">SetDigraphVertexLabels</code> (<a 
href="chap5.html#X7E51F2FE87140B32"><span class="RefLink">5.1-10</span></a>) to 
set all of the vertex labels.</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 <p><a id="X7C38A6397D2770FB" name="X7C38A6397D2770FB"></a></p>
@@ -246,7 +246,7 @@
 <td class="tdleft"><code class="func">IsCompleteDigraph</code> (<a 
href="chap6.html#X81F28D4D879FE3B2"><span class="RefLink">6.2-5</span></a>)</td>
 <td class="tdleft">The <span class="URL"><a 
href="https://gap-packages.github.io/grape";>Grape</a></span> function <code 
class="code">IsCompleteGraph</code> is roughly equivalent to <code 
class="func">IsCompleteDigraph</code> (<a 
href="chap6.html#X81F28D4D879FE3B2"><span class="RefLink">6.2-5</span></a>) 
except that in <strong class="pkg">Digraphs</strong> a complete digraph has 
<em>no loops</em>.</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 <p><a id="X78A5A34783C70CD7" name="X78A5A34783C70CD7"></a></p>
@@ -296,7 +296,7 @@
 <td class="tdleft">None</td>
 <td class="tdleft">The <span class="URL"><a 
href="https://gap-packages.github.io/grape";>Grape</a></span> function <code 
class="code">VertexTransitiveDRGs</code> has no equivalent function in <strong 
class="pkg">Digraphs</strong>, although this might change in the future.</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 <p><a id="X7C74978D85F7AF5C" name="X7C74978D85F7AF5C"></a></p>
@@ -341,7 +341,7 @@
 <td class="tdleft"><code class="func">DigraphIndependentSet</code> (<a 
href="chap8.html#X84350678782BFAB7"><span class="RefLink">8.2-2</span></a>)</td>
 <td class="tdleft"><code class="code">IndependentSet</code> in <span 
class="URL"><a href="https://gap-packages.github.io/grape";>Grape</a></span> is 
equivalent to <code class="func">DigraphIndependentSet</code> (<a 
href="chap8.html#X84350678782BFAB7"><span class="RefLink">8.2-2</span></a>) in 
<strong class="pkg">Digraphs</strong>.</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 <p><a id="X7E51B92F7E89E266" name="X7E51B92F7E89E266"></a></p>
@@ -426,7 +426,7 @@
 <td class="tdleft">None</td>
 <td class="tdleft">There is no analogous function in <strong 
class="pkg">Digraphs</strong>. However, the same results would be possible by 
calling <code class="func">DigraphCopy</code> (<a 
href="chap3.html#X83D93A8A8251E6F9"><span class="RefLink">3.3-1</span></a>) on 
the digraph to produce a copy <code class="code">gr</code>, and then applying 
<code class="code">SetDigraphGroup(gr, G)</code>.</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 <p><a id="X7A61E3FC7A2BB50E" name="X7A61E3FC7A2BB50E"></a></p>
@@ -456,7 +456,7 @@
 <td class="tdleft"><code class="func">DigraphCliques</code> (<a 
href="chap8.html#X84EA2F9482B8D4AF"><span class="RefLink">8.1-4</span></a>)</td>
 <td class="tdleft">Much of the functionality of <code 
class="code">CompleteSubgraphsOfGivenSize</code> in <span class="URL"><a 
href="https://gap-packages.github.io/grape";>Grape</a></span> is provided by 
<code class="func">DigraphCliques</code> (<a 
href="chap8.html#X84EA2F9482B8D4AF"><span class="RefLink">8.1-4</span></a>) and 
<code class="func">DigraphMaximalCliques</code> (<a 
href="chap8.html#X84EA2F9482B8D4AF"><span class="RefLink">8.1-4</span></a>) in 
<strong class="pkg">Digraphs</strong>, except that the functionality relating 
to vertex weights and partial colourings is not implemented.</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 <p><a id="X7DFC61EC7CBDBC7E" name="X7DFC61EC7CBDBC7E"></a></p>
@@ -491,7 +491,7 @@
 <td class="tdleft">None</td>
 <td class="tdleft">There is no analogous function in <strong 
class="pkg">Digraphs</strong>, although this feature might be implemented in 
the future.</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/doc/chapA_mj.html new/digraphs-1.7.1/doc/chapA_mj.html
--- old/digraphs-1.7.0/doc/chapA_mj.html        2024-02-14 19:55:47.000000000 
+0100
+++ new/digraphs-1.7.1/doc/chapA_mj.html        2024-02-19 20:25:54.000000000 
+0100
@@ -129,7 +129,7 @@
 <td class="tdleft"><code class="func">SetDigraphVertexLabels</code> (<a 
href="chap5_mj.html#X7E51F2FE87140B32"><span class="RefLink">5.1-10</span></a>) 
and <code class="func">SetDigraphVertexLabel</code> (<a 
href="chap5_mj.html#X7CA91E4B7904F793"><span 
class="RefLink">5.1-9</span></a>)</td>
 <td class="tdleft">Use <code class="func">SetDigraphVertexLabel</code> (<a 
href="chap5_mj.html#X7CA91E4B7904F793"><span class="RefLink">5.1-9</span></a>) 
to set an individual vertex label and <code 
class="func">SetDigraphVertexLabels</code> (<a 
href="chap5_mj.html#X7E51F2FE87140B32"><span class="RefLink">5.1-10</span></a>) 
to set all of the vertex labels.</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 <p><a id="X7C38A6397D2770FB" name="X7C38A6397D2770FB"></a></p>
@@ -249,7 +249,7 @@
 <td class="tdleft"><code class="func">IsCompleteDigraph</code> (<a 
href="chap6_mj.html#X81F28D4D879FE3B2"><span 
class="RefLink">6.2-5</span></a>)</td>
 <td class="tdleft">The <span class="URL"><a 
href="https://gap-packages.github.io/grape";>Grape</a></span> function <code 
class="code">IsCompleteGraph</code> is roughly equivalent to <code 
class="func">IsCompleteDigraph</code> (<a 
href="chap6_mj.html#X81F28D4D879FE3B2"><span class="RefLink">6.2-5</span></a>) 
except that in <strong class="pkg">Digraphs</strong> a complete digraph has 
<em>no loops</em>.</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 <p><a id="X78A5A34783C70CD7" name="X78A5A34783C70CD7"></a></p>
@@ -299,7 +299,7 @@
 <td class="tdleft">None</td>
 <td class="tdleft">The <span class="URL"><a 
href="https://gap-packages.github.io/grape";>Grape</a></span> function <code 
class="code">VertexTransitiveDRGs</code> has no equivalent function in <strong 
class="pkg">Digraphs</strong>, although this might change in the future.</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 <p><a id="X7C74978D85F7AF5C" name="X7C74978D85F7AF5C"></a></p>
@@ -344,7 +344,7 @@
 <td class="tdleft"><code class="func">DigraphIndependentSet</code> (<a 
href="chap8_mj.html#X84350678782BFAB7"><span 
class="RefLink">8.2-2</span></a>)</td>
 <td class="tdleft"><code class="code">IndependentSet</code> in <span 
class="URL"><a href="https://gap-packages.github.io/grape";>Grape</a></span> is 
equivalent to <code class="func">DigraphIndependentSet</code> (<a 
href="chap8_mj.html#X84350678782BFAB7"><span class="RefLink">8.2-2</span></a>) 
in <strong class="pkg">Digraphs</strong>.</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 <p><a id="X7E51B92F7E89E266" name="X7E51B92F7E89E266"></a></p>
@@ -429,7 +429,7 @@
 <td class="tdleft">None</td>
 <td class="tdleft">There is no analogous function in <strong 
class="pkg">Digraphs</strong>. However, the same results would be possible by 
calling <code class="func">DigraphCopy</code> (<a 
href="chap3_mj.html#X83D93A8A8251E6F9"><span class="RefLink">3.3-1</span></a>) 
on the digraph to produce a copy <code class="code">gr</code>, and then 
applying <code class="code">SetDigraphGroup(gr, G)</code>.</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 <p><a id="X7A61E3FC7A2BB50E" name="X7A61E3FC7A2BB50E"></a></p>
@@ -459,7 +459,7 @@
 <td class="tdleft"><code class="func">DigraphCliques</code> (<a 
href="chap8_mj.html#X84EA2F9482B8D4AF"><span 
class="RefLink">8.1-4</span></a>)</td>
 <td class="tdleft">Much of the functionality of <code 
class="code">CompleteSubgraphsOfGivenSize</code> in <span class="URL"><a 
href="https://gap-packages.github.io/grape";>Grape</a></span> is provided by 
<code class="func">DigraphCliques</code> (<a 
href="chap8_mj.html#X84EA2F9482B8D4AF"><span class="RefLink">8.1-4</span></a>) 
and <code class="func">DigraphMaximalCliques</code> (<a 
href="chap8_mj.html#X84EA2F9482B8D4AF"><span class="RefLink">8.1-4</span></a>) 
in <strong class="pkg">Digraphs</strong>, except that the functionality 
relating to vertex weights and partial colourings is not implemented.</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 <p><a id="X7DFC61EC7CBDBC7E" name="X7DFC61EC7CBDBC7E"></a></p>
@@ -494,7 +494,7 @@
 <td class="tdleft">None</td>
 <td class="tdleft">There is no analogous function in <strong 
class="pkg">Digraphs</strong>, although this feature might be implemented in 
the future.</td>
 </tr>
-</table><br /><p>&nbsp;</p><br />
+</table><br />
 </div>
 
 
Binary files old/digraphs-1.7.0/doc/manual.pdf and 
new/digraphs-1.7.1/doc/manual.pdf differ
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/gap/digraph.gi new/digraphs-1.7.1/gap/digraph.gi
--- old/digraphs-1.7.0/gap/digraph.gi   2024-02-14 17:54:52.000000000 +0100
+++ new/digraphs-1.7.1/gap/digraph.gi   2024-02-19 18:17:02.000000000 +0100
@@ -699,8 +699,8 @@
 InstallMethod(String, "for a digraph",
 [IsDigraph],
 function(D)
-  local n, N, i, mut, streps, outnbs_rep, lengths, strings, creators_streps,
-        creators_props, props;
+  local n, N, i, mut, streps, outnbs_rep, lengths, strings,
+        out_neighbours_string, creators_streps, creators_props, props;
   if IsMutableDigraph(D) then
     mut := "IsMutableDigraph, ";
   else
@@ -722,7 +722,11 @@
                  ReplacedString(streps[n], "\\", "\\\\"), "\"", ")"));
   od;
 
-  outnbs_rep := Concatenation("Digraph(", mut, String(OutNeighbours(D)), ")");
+  out_neighbours_string := String(OutNeighbours(D));
+  # print empty lists with two spaces for consistency
+  # see https://github.com/gap-system/gap/pull/5418
+  out_neighbours_string := ReplacedString(out_neighbours_string, "[ ]", "[  
]");
+  outnbs_rep := Concatenation("Digraph(", mut, out_neighbours_string, ")");
   Add(strings, String(outnbs_rep));
 
   N              := DigraphNrVertices(D);
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/src/pkgconfig.h.in new/digraphs-1.7.1/src/pkgconfig.h.in
--- old/digraphs-1.7.0/src/pkgconfig.h.in       2024-02-14 19:55:48.000000000 
+0100
+++ new/digraphs-1.7.1/src/pkgconfig.h.in       2024-02-19 20:25:55.000000000 
+0100
@@ -6,10 +6,10 @@
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 
-/* Define to 1 if you have the `bliss' library (-lbliss). */
+/* Define to 1 if you have the 'bliss' library (-lbliss). */
 #undef HAVE_LIBBLISS
 
-/* Define to 1 if you have the `planarity' library (-lplanarity). */
+/* Define to 1 if you have the 'planarity' library (-lplanarity). */
 #undef HAVE_LIBPLANARITY
 
 /* Define to 1 if you have the <stdint.h> header file. */
@@ -60,7 +60,7 @@
 /* Define to the version of this package. */
 #undef PACKAGE_VERSION
 
-/* Define to 1 if all of the C90 standard headers exist (not just the ones
+/* Define to 1 if all of the C89 standard headers exist (not just the ones
    required in a freestanding environment). This macro is provided for
    backward compatibility; new code need not use it. */
 #undef STDC_HEADERS
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' --exclude Makefile.in --exclude configure --exclude 
config.guess --exclude '*.pot' --exclude mkinstalldirs --exclude aclocal.m4 
--exclude config.sub --exclude depcomp --exclude install-sh --exclude ltmain.sh 
old/digraphs-1.7.0/tst/standard/digraph.tst 
new/digraphs-1.7.1/tst/standard/digraph.tst
--- old/digraphs-1.7.0/tst/standard/digraph.tst 2024-02-14 17:54:52.000000000 
+0100
+++ new/digraphs-1.7.1/tst/standard/digraph.tst 2024-02-19 18:17:02.000000000 
+0100
@@ -1179,9 +1179,9 @@
 gap> gr2 := DigraphCopy(gr1);
 <immutable empty digraph with 0 vertices>
 gap> String(gr2);
-"Digraph([ ])"
+"Digraph([  ])"
 gap> PrintString(gr2);
-"Digraph([ ])"
+"Digraph([  ])"
 gap> D := CycleDigraph(10 * 10 ^ 5);
 <immutable cycle digraph with 1000000 vertices>
 gap> D1 := DigraphCopy(D);
@@ -1348,7 +1348,7 @@
 gap> D := DigraphNC(IsMutableDigraph, list);
 <mutable digraph with 2 vertices, 2 edges>
 gap> PrintString(D);
-"Digraph(IsMutableDigraph, [ [ 1, 2 ], [ ] ])"
+"Digraph(IsMutableDigraph, [ [ 1, 2 ], [  ] ])"
 gap> EvalString(String(D)) = D;
 true
 gap> DigraphByAdjacencyMatrix(IsMutableDigraph, []);
@@ -1802,7 +1802,7 @@
 gap> D := Digraph([]);
 <immutable empty digraph with 0 vertices>
 gap> String(D);
-"Digraph([ ])"
+"Digraph([  ])"
 gap> D := CompleteDigraph(7);
 <immutable complete digraph with 7 vertices>
 gap> String(D);

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