Improve diff hunk headers when maintaining Emacs

[gnu-emacs] / autogen.sh

diff --git a/autogen.sh b/autogen.sh
index ac728ccd52183e4f695615ea15e769a106c0c888..904246509faf75d727e3c82347eb3cb513cc54d2 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -281,6 +281,11 @@ git_config transfer.fsckObjects true
 
 git_config diff.elisp.xfuncname \
           '^\(def[^[:space:]]+[[:space:]]+([^()[:space:]]+)'
+git_config 'diff.m4.xfuncname' '^((m4_)?define|A._DEFUN(_ONCE)?)\([^),]*'
+git_config 'diff.make.xfuncname' \
+          '^([$.[:alnum:]_].*:|[[:alnum:]_]+[[:space:]]*([*:+]?[:?]?|!?)=|define .*)'
+git_config 'diff.shell.xfuncname' \
+          '^([[:space:]]*[[:alpha:]_][[:alnum:]_]*[[:space:]]*\(\)|[[:alpha:]_][[:alnum:]_]*=)'
 git_config diff.texinfo.xfuncname \
           '^@node[[:space:]]+([^,[:space:]][^,]+)'