X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fabbrev.pl;h=62975e66f326eed23d16fa5ff25e3e3283611443;hb=f02a87dff8d75d4e8d0bada37f4abde41184909e;hp=c233d4af7e63adc4e2ac9e07314ce8ba74fb5a96;hpb=449aadcac0f13893f2b716ea169bf74293ee9c41;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/lib/abbrev.pl b/lib/abbrev.pl
index c233d4a..62975e6 100644
--- a/lib/abbrev.pl
+++ b/lib/abbrev.pl
@@ -17,7 +17,7 @@ sub main'abbrev {
 	$len = 1;
 	foreach $cmp (@cmp) {
 	    next if $cmp eq $name;
-	    while (substr($cmp,0,$len) eq $abbrev) {
+	    while (@extra && substr($cmp,0,$len) eq $abbrev) {
 		$abbrev .= shift(@extra);
 		++$len;
 	    }