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Changes to m4/doc/m4.texinfo,v

From: Eric Blake
Subject: Changes to m4/doc/m4.texinfo,v
Date: Thu, 12 Oct 2006 02:44:28 +0000

CVSROOT:        /sources/m4
Module name:    m4
Changes by:     Eric Blake <ericb>      06/10/12 02:44:27

Index: doc/m4.texinfo
RCS file: /sources/m4/m4/doc/m4.texinfo,v
retrieving revision 1.61
retrieving revision 1.62
diff -u -b -r1.61 -r1.62
--- doc/m4.texinfo      10 Oct 2006 12:47:23 -0000      1.61
+++ doc/m4.texinfo      12 Oct 2006 02:44:26 -0000      1.62
@@ -678,13 +678,18 @@
 @table @code
 @item address@hidden@address@hidden
 @itemx address@hidden@address@hidden
address@hidden address@hidden@address@hidden
 Set the debug-level according to the flags @var{FLAGS}.  The debug-level
 controls the format and amount of information presented by the debugging
 functions.  @xref{Debugmode}, for more details on the format and
 meaning of @var{FLAGS}.  If omitted, @var{FLAGS} defaults to
 @samp{aeq}.  When the option is presented multiple times, if later
 @var{FLAGS} starts with @samp{-} or @samp{+}, they are cumulative,
-otherwise the later flags override all earlier occurrences.
+otherwise the later flags override all earlier occurrences.  The
+spelling @option{--debug} is recognized as an unambiguous option for
+compatibility with earlier versions of @acronym{GNU} M4, but for
+consistency with the builtin name, you can also use the spelling
 @item address@hidden
 @itemx -o @var{FILE}
@@ -1316,6 +1321,8 @@
 @comment status: 1
+hello world
address@hidden world
 @error{}m4:stdin:1: end of file in argument list
@@ -2893,7 +2900,8 @@
 @cindex controlling debugging output
 @cindex debugging output, controlling
-The @option{--debug} option to @code{m4} (or @option{-d},
+The @option{--debug} option to @code{m4} (also spelled
address@hidden or @option{-d},
 @pxref{Invoking m4}) controls the amount of details presented in three
 categories of output.  Trace output is requested by @code{traceon}
 (@pxref{Trace}), and each line is prefixed by @samp{m4trace:} in
@@ -3212,7 +3220,7 @@
 dnl(`args are ignored, but side effects occur',
 define(`foo', `like this')) while this text is ignored: undefine(`foo')
address@hidden:stdin:2: Warning: dnl: extra arguments ignored: 2 > 0
address@hidden:stdin:1: Warning: dnl: extra arguments ignored: 2 > 0
 See how `foo' was defined, foo?
 @result{}See how foo was defined, like this?
 @end example

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