* Eric Blake wrote on Mon, Jun 14, 2010 at 11:30:46PM CEST:
> Any other ideas for a workaround that works for both info and pdf?
Not using macros here?
Cheers,
Ralf
Avoid texinfo bug with backslashes in macro arguments.
* doc/autoconf.texi (Text processing Macros)
(Common Shell Constructs): Do not use @dvar with backslashes.
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index fadc2ef..be9f24a 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -12488,7 +12488,8 @@ Text processing Macros
regexps.
@end defmac
-...@defmac m4_split (@var{string}, @dvar{regexp, [\t ]+})
+...@c We cannot use @dvar because the macro expansion mistreats backslashes.
+...@defmac m4_split (@var{string}, @r...@var{regexp} = @samp{[\t ]...@r{]})
@msindex{split}
Split @var{string} into an M4 list of elements quoted by @samp{[} and
@samp{]}, while keeping white space at the beginning and at the end.
@@ -13110,7 +13111,8 @@ Common Shell Constructs
Redirections can be placed outside the macro invocation.
@end defmac
-...@defmac AS_ESCAPE (@var{string}, @dvar{chars, `\"$})
+...@c We cannot use @dvar because the macro expansion mistreats backslashes.
+...@defmac AS_ESCAPE (@var{string}, @r...@var{chars} = @samp{`\"$...@r{]})
@asindex{ESCAPE}
Expands to @var{string}, with any characters in @var{chars} escaped with
a backslash (@samp{\}). @var{chars} should be at most four bytes long,
