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-rw-r--r--IkiWiki.pm4
1 files changed, 3 insertions, 1 deletions
diff --git a/IkiWiki.pm b/IkiWiki.pm
index a70773506..8244fa996 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -1471,7 +1471,9 @@ sub emailuser ($) {
if (defined $user && $user =~ m/(.+)@/) {
my $nick=$1;
# remove any characters from not allowed in wiki files
- $nick=~s/[^$config{wiki_file_chars}]/_/g;
+ # support use w/o %config set
+ my $chars = defined $config{wiki_file_chars} ? $config{wiki_file_chars} : "-[:alnum:]+/.:_";
+ $nick=~s/[^$chars]/_/g;
return $nick;
}
return;