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I noticed an underfull hbox while testing 'make distcheck' with the new
automake. Committing this to work around it, and make the example a bit
more verbose.
- --
Don't work too hard, make some time for fun as well!
Eric Blake [EMAIL PROTECTED]
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>From 28cd2024b5c84141f2c3cf08602141b33eadd85a Mon Sep 17 00:00:00 2001
From: Eric Blake <[EMAIL PROTECTED]>
Date: Tue, 22 Jan 2008 11:53:46 -0700
Subject: [PATCH] Doc tweak.
* doc/m4.texinfo (Renamesyms): Avoid underfull hbox, and improve
example.
Signed-off-by: Eric Blake <[EMAIL PROTECTED]>
---
ChangeLog | 6 ++++++
doc/m4.texinfo | 19 ++++++++++++++++---
2 files changed, 22 insertions(+), 3 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 782b475..15589bb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-01-22 Eric Blake <[EMAIL PROTECTED]>
+
+ Doc tweak.
+ * doc/m4.texinfo (Renamesyms): Avoid underfull hbox, and improve
+ example.
+
2008-01-21 Eric Blake <[EMAIL PROTECTED]>
Stage 11: full circle for single argument references.
diff --git a/doc/m4.texinfo b/doc/m4.texinfo
index df08093..5d87489 100644
--- a/doc/m4.texinfo
+++ b/doc/m4.texinfo
@@ -2460,14 +2460,27 @@ The macro @code{renamesyms} is recognized only with
parameters.
This macro was added in M4 2.0.
@end deffn
-Here is an example that starts by performing a similar renaming to the
[EMAIL PROTECTED] option (or @option{-P}). Where
[EMAIL PROTECTED] only renames M4 builtin macros,
+The following example starts with a rename similar to the
[EMAIL PROTECTED] option (or @option{-P}), prefixing every
+macro with @code{m4_}. However, note that @option{-P} only renames M4
+builtin macros, even if other macros were defined previously, while
@code{renamesyms} will rename any macros that match when it runs,
including text macros. The rest of the example demonstrates the
behavior of unanchored regular expressions in symbol renaming.
[EMAIL PROTECTED] options: -Dfoo=bar -P
@example
+$ @kbd{m4 -Dfoo=bar -P}
+foo
[EMAIL PROTECTED]
+m4_foo
[EMAIL PROTECTED]
+m4_defn(`foo')
[EMAIL PROTECTED]
[EMAIL PROTECTED] example
+
[EMAIL PROTECTED]
+$ @kbd{m4}
define(`foo', `bar')
@result{}
renamesyms(`^.*$', `m4_\&')
--
1.5.3.8
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