gbranden pushed a commit to branch master
in repository groff.
commit 8e2f5c8bef9e8631aee81be6dd6002b1fb6f9ce2
Author: G. Branden Robinson <[email protected]>
AuthorDate: Tue Jul 2 19:18:13 2024 -0500
[mm]: Make `RL` macro respect `Li` register.
* contrib/mm/m.tmac (RL): Honor `RL` setting for list items' text
indentation as `AL` does instead of using a hard-coded value of 6 ens.
* contrib/mm/groff_mm.7.man (Description):
* NEWS: Document this difference.
---
NEWS | 4 ++++
contrib/mm/ChangeLog | 7 +++++++
contrib/mm/groff_mm.7.man | 11 ++++++++++-
contrib/mm/m.tmac | 8 ++++----
4 files changed, 25 insertions(+), 5 deletions(-)
diff --git a/NEWS b/NEWS
index f972674e1..1bdfe4c73 100644
--- a/NEWS
+++ b/NEWS
@@ -326,6 +326,10 @@ o Similarly, the m (mm) macro package's `PIC` macro (a GNU
extension)
o The m (mm) macro package's `Li` register now defaults to 5 ens (not 6)
to align with the `Pi` register default and with DWB 3.3 mm behavior.
+o The m (mm) macro package's `Li` register now configures the text
+ indentation of items in `RL` lists (as it long has for `AL` lists)
+ instead of hard-coding a value of 6 ens as DWB 3.3 mm does.
+
o The m (mm) macro package's `BVL` macro's first argument is now
optional. If omitted, the paragraph indentation amount (register
`Pi`) is used for the list item's text indentation.
diff --git a/contrib/mm/ChangeLog b/contrib/mm/ChangeLog
index abf81ee6a..7d6dea9f0 100644
--- a/contrib/mm/ChangeLog
+++ b/contrib/mm/ChangeLog
@@ -1,3 +1,10 @@
+2024-07-02 G. Branden Robinson <[email protected]>
+
+ * m.tmac (RL): Honor `RL` setting for list items' text
+ indentation as `AL` does instead of using a hard-coded value of
+ 6 ens.
+ * groff_mm.7.man (Description): Document this difference.
+
2024-07-02 G. Branden Robinson <[email protected]>
* m.tmac: Initialize register `Li` to 5, not 6, for better
diff --git a/contrib/mm/groff_mm.7.man b/contrib/mm/groff_mm.7.man
index a0bc36c59..81052e2ad 100644
--- a/contrib/mm/groff_mm.7.man
+++ b/contrib/mm/groff_mm.7.man
@@ -145,7 +145,7 @@ either is terminated with
is intended to be compatible with the
.I mm
implementation found in the AT&T Documenter's Workbench (DWB),
-with the following limitations.
+with the following limitations and changes.
.
.
.IP \[bu] 3n
@@ -217,6 +217,15 @@ use an explicit scaling unit to avoid surprises.
.
.
.IP \[bu]
+The
+.B Li
+register configures the text indentation of
+.B RL
+list items;
+DWB used a hard-coded value of 6\~ens.
+.
+.
+.IP \[bu]
DWB
.IR mm 's
.B nP
diff --git a/contrib/mm/m.tmac b/contrib/mm/m.tmac
index 5f2be9836..2613b45bc 100644
--- a/contrib/mm/m.tmac
+++ b/contrib/mm/m.tmac
@@ -2495,11 +2495,11 @@ exceeds depth of nested lists (\\n[li*lvl])
.de RL
.if \\n[D]>2 .tm RL \\$@
.if \\n[.$]>2 .@warning \\$0: ignoring excess arguments
-.if \\n[.$]<1 .LB 6 0 2 4
-.if \\n[.$]=1 .LB 0\\$1 0 2 4
+.if \\n[.$]<1 .LB \\n[Li] 0 2 4
+.if \\n[.$]=1 .LB 0\\$1 0 2 4
.if \\n[.$]=2 \{\
-. ie '\\$1'' .LB 6 0 2 4 1 0 1
-. el .LB 0\\$1 0 2 4 1 0 1
+. ie '\\$1'' .LB \\n[Li] 0 2 4 1 0 1
+. el .LB 0\\$1 0 2 4 1 0 1
.\}
..
.\" Broken Variable List: as .VL, but always break after the mark.
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