FYI m4 quoting in doc examples

[Eric Blake]

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We should encourage proper quoting of m4 macros.  For an example of the
types of bugs that improper quoting can cause, note that the underquoted
usage here won't be true until libtool 2.11 (whenever that is :)

m4_define([a],[1])
LT_PREREQ(2.1a)

Since this is documentation only, I'm committing it as obvious.

2008-01-24  Eric Blake  <address@hidden>

        Add proper quoting to doc examples.
        * doc/libtool.texi: Use quotes where appropriate.
        (Test descriptions): Fix truncated sentence.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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Index: doc/libtool.texi
===================================================================
RCS file: /sources/libtool/libtool/doc/libtool.texi,v
retrieving revision 1.237
diff -u -p -r1.237 libtool.texi
--- doc/libtool.texi    17 Jan 2008 05:32:42 -0000      1.237
+++ doc/libtool.texi    24 Jan 2008 04:04:25 -0000
@@ -1878,7 +1878,7 @@ version of Libtool used for @code{LT_INI
 error output and exit with failure (exit status is 63).  For example:
 
 @example
-LT_PREREQ(@value{VERSION})
+LT_PREREQ(address@hidden)
 @end example
 @end defmac
 
@@ -1935,7 +1935,7 @@ out-of-date.  In order to do that, add t
 
 @example
 LT_INIT
-AC_SUBST(LIBTOOL_DEPS)
+AC_SUBST([LIBTOOL_DEPS])
 @end example
 
 and, to @file{Makefile.in} or @file{Makefile.am}:
@@ -2037,7 +2037,7 @@ language support to Libtool.
 
 @example
 LT_INIT
-LT_LANG(C++)
+LT_LANG([C++])
 @end example
 
 @example
@@ -2453,7 +2453,7 @@ People used to add code like the followi
 @cindex LTLIBOBJS
 @example
 LTLIBOBJS=`echo "$LIBOBJS" | sed 's/\.[^.]* /.lo /g;s/\.[^.]*$/.lo/'`
-AC_SUBST(LTLIBOBJS)
+AC_SUBST([LTLIBOBJS])
 @end example
 
 @noindent
@@ -4462,7 +4462,7 @@ if test "x$with_included_ltdl" != "xyes"
   LDFLAGS="$LDFLAGS $LIBLTDL"
   AC_CHECK_LIB([ltdl], [lt_dladvise_init],
                [],
-       [AC_MSG_ERROR(installed libltdl is too old)])
+       [AC_MSG_ERROR([installed libltdl is too old])])
   LDFLAGS="$save_LDFLAGS"
   CFLAGS="$save_CFLAGS"
 fi
@@ -4976,7 +4976,7 @@ Check whether we can actually get help f
 
 @item objectlist.test
 @pindex objectlist.test
-Check that a nonexistent objectlist file is properly 
+Check that a nonexistent objectlist file is properly
 
 @item pdemo-conf.test
 @itemx pdemo-exec.test