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-rw-r--r--lib/PublicInbox/HlMod.pm15
1 files changed, 10 insertions, 5 deletions
diff --git a/lib/PublicInbox/HlMod.pm b/lib/PublicInbox/HlMod.pm
index decfd714..284e4b18 100644
--- a/lib/PublicInbox/HlMod.pm
+++ b/lib/PublicInbox/HlMod.pm
@@ -83,19 +83,24 @@ sub _path2lang ($$) {
 sub do_hl {
         my ($self, $str, $path) = @_;
         my $lang = _path2lang($self, $path) if defined $path;
+        do_hl_lang($self, $str, $lang);
+}
+
+sub do_hl_lang {
+        my ($self, $str, $lang) = @_;
+
         my $dir = $self->{-dir};
         my $langpath;
+
         if (defined $lang) {
                 $langpath = $dir->getLangPath("$lang.lang") or return;
-                $langpath = undef unless -f $langpath;
+                $lang = undef unless -f $langpath
         }
-        unless (defined $langpath) {
+        unless (defined $lang) {
                 $lang = _shebang2lang($self, $str) or return;
                 $langpath = $dir->getLangPath("$lang.lang") or return;
-                $langpath = undef unless -f $langpath;
+                return unless -f $langpath
         }
-        return unless defined $langpath;
-
         my $gen = $self->{$langpath} ||= do {
                 my $g = highlight::CodeGenerator::getInstance($highlight::HTML);
                 $g->setFragmentCode(1); # generate html fragment