X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/9cee2962e01ef0538cc8498951867a543f91b47d..38bf2f6388d506e741395992617a900843e9ba0d:/IkiWiki/Plugin/highlight.pm

diff --git a/IkiWiki/Plugin/highlight.pm b/IkiWiki/Plugin/highlight.pm
index 947fb692e..e517ac5c0 100644
--- a/IkiWiki/Plugin/highlight.pm
+++ b/IkiWiki/Plugin/highlight.pm
@@ -80,7 +80,7 @@ my %highlighters;
 
 # Parse highlight's config file to get extension => language mappings.
 sub read_filetypes () {
-	open (IN, $filetypes);
+	open (IN, $filetypes) || error("$filetypes: $!");
 	while (<IN>) {
 		chomp;
 		if (/^\$ext\((.*)\)=(.*)$/) {