* build-aux/update-copyright: Match year ranges like "1998--2019",
which are used in the Autoconf manual.
+2019-10-14 Paul Eggert <eggert@cs.ucla.edu>
+
+ update-copyright: allow en dashes in year ranges
+ * build-aux/update-copyright: Match year ranges like "1998--2019",
+ which are used in the Autoconf manual.
+
2019-10-13 Paul Eggert <eggert@cs.ucla.edu>
* config/srclist.txt: Remove posix/regex_internal.c for now.
$holder_re =~ s/\s/$ws_re/g;
my $stmt_remainder_re =
"(?:$ws_re$circle_c_re)?"
- . "$ws_re(?:(?:\\d\\d)?\\d\\d(?:,$ws_re?|-))*"
+ . "$ws_re(?:(?:\\d\\d)?\\d\\d(?:,$ws_re?|--?))*"
. "((?:\\d\\d)?\\d\\d)$ws_re$holder_re";
if (/\G$stmt_remainder_re/)
{