Document AC_FIND_XTRA.

diff --git a/autoconf.texi b/autoconf.texi
index 7fac1a38fc1a0b54a665af782e2be3d636ead709..743e0f5c0ab6f32821f50e2f58c23a0962e3c14d 100644 (file)
--- a/autoconf.texi
+++ b/autoconf.texi
@@ -1161,6 +1161,15 @@ both methods fail, set the shell variable @code{no_x} to @samp{true};
 otherwise set it to the empty string.
 @end defmac
 
+@defmac AC_FIND_XTRA
+@maindex FIND_XTRA
+Check for special options and X libraries that some systems need in
+order to compile X programs.  Add any that the system needs to
+@code{make} variables @code{X_CFLAGS} and @code{X_LIBS}.  This macro
+calls @code{AC_FIND_X} and @code{AC_ISC_POSIX} (@pxref{UNIX Variants})
+if they have not already been called.
+@end defmac
+
 @defmac AC_HAVE_POUNDBANG (@var{action-if-supported} @r{[}, @var{action-if-unsupported}@r{]})
 @maindex HAVE_POUNDBANG
 Print @samp{checking if `#!' works in shell scripts} to the standard
@@ -1372,12 +1381,7 @@ begins with @samp{#!/bin/sh}, like the normal start of a
 For example, this line in @file{configure.in}:
 
 @example
-@iftex
-AC_REVISION($@code{Revision: 1.30 }$)dnl
-@end iftex
-@ifinfo
 AC_REVISION($@asis{Revision: 1.30 }$)dnl
-@end ifinfo
 @end example
 
 @noindent

diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 7fac1a38fc1a0b54a665af782e2be3d636ead709..743e0f5c0ab6f32821f50e2f58c23a0962e3c14d 100644 (file)
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -1161,6 +1161,15 @@ both methods fail, set the shell variable @code{no_x} to @samp{true};
 otherwise set it to the empty string.
 @end defmac
 
+@defmac AC_FIND_XTRA
+@maindex FIND_XTRA
+Check for special options and X libraries that some systems need in
+order to compile X programs.  Add any that the system needs to
+@code{make} variables @code{X_CFLAGS} and @code{X_LIBS}.  This macro
+calls @code{AC_FIND_X} and @code{AC_ISC_POSIX} (@pxref{UNIX Variants})
+if they have not already been called.
+@end defmac
+
 @defmac AC_HAVE_POUNDBANG (@var{action-if-supported} @r{[}, @var{action-if-unsupported}@r{]})
 @maindex HAVE_POUNDBANG
 Print @samp{checking if `#!' works in shell scripts} to the standard
@@ -1372,12 +1381,7 @@ begins with @samp{#!/bin/sh}, like the normal start of a
 For example, this line in @file{configure.in}:
 
 @example
-@iftex
-AC_REVISION($@code{Revision: 1.30 }$)dnl
-@end iftex
-@ifinfo
 AC_REVISION($@asis{Revision: 1.30 }$)dnl
-@end ifinfo
 @end example
 
 @noindent