Don't complain about the regexp "[:-:]"

Suggested by Clément Pit-Claudel.

* src/regex-emacs.c (regex_compile):
* test/src/regex-emacs-tests.el (regexp-invalid): Tolerate ranges.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/regex-emacs.c b/src/regex-emacs.c
index 38824370e05..794958eb461 100644
--- a/src/regex-emacs.c
+++ b/src/regex-emacs.c
@@ -2007,7 +2007,7 @@ regex_compile (re_char *pattern, ptrdiff_t size,
             if (*p == ':')
               {
                 re_char *q = p + 1;
-                while (q != pend && *q != ']')
+                while (q != pend && *q != ']' && *q != '-')
                   {
                     if (*q == ':')
                       {