_ is tarnames

[Akim Demaille]

Applying this:

Index: ChangeLog
from  Akim Demaille  <address@hidden>

        * lib/autoconf/general.m4 (_AC_INIT_PACKAGE): `_' is allowed in
        tarnames.
        * doc/autoconf.texi (Initializing configure): Adjust.

Index: doc/autoconf.texi
===================================================================
RCS file: /cvsroot/autoconf/autoconf/doc/autoconf.texi,v
retrieving revision 1.639
diff -u -u -r1.639 autoconf.texi
--- doc/autoconf.texi 17 Jul 2002 08:09:43 -0000 1.639
+++ doc/autoconf.texi 17 Jul 2002 08:13:29 -0000
@@ -1497,7 +1497,7 @@
 package name (e.g., @samp{GNU Autoconf}), while the former is meant for
 distribution tar ball names (e.g., @samp{autoconf}).  It defaults to
 @var{package} once @samp{GNU } strip, lower cased, and all non
-alphanumeric character mapped onto @samp{-}.
+alphanumeric and underscore characters mapped onto @samp{-}.
 
 It is preferable that these arguments be static, i.e., there should not
 be any shell computation, but they can be computed by M4.  The following
Index: lib/autoconf/general.m4
===================================================================
RCS file: /cvsroot/autoconf/autoconf/lib/autoconf/general.m4,v
retrieving revision 1.799
diff -u -u -r1.799 general.m4
--- lib/autoconf/general.m4 7 Jun 2002 07:17:54 -0000 1.799
+++ lib/autoconf/general.m4 17 Jul 2002 08:13:54 -0000
@@ -296,7 +296,7 @@
                      m4_default([$4],
                                 [m4_bpatsubst(m4_tolower(m4_bpatsubst([[[$1]]],
                                                                      [GNU ])),
-                                 [[^abcdefghijklmnopqrstuvwxyz0123456789]],
+                                 [[^_abcdefghijklmnopqrstuvwxyz0123456789]],
                                  [-])]))])
 m4_ifndef([AC_PACKAGE_VERSION],
           [m4_define([AC_PACKAGE_VERSION],   [$2])])