BUG_MSG

1 files changed, 2 insertions, 2 deletions

diff --git a/src/html.cc b/src/html.cc
index 04b4ac84..28c44dbe 100644
--- a/src/html.cc
+++ b/src/html.cc
@@ -1517,8 +1517,8 @@ static int
       bool valid = *val && !strchr(val, ' ');
 
       if (!valid) {
-         BUG_MSG("'%s' value must not be empty and must not contain spaces.\n",
-                 attrname);
+         BUG_MSG("'%s' value \"%s\" must not be empty and must not contain "
+                 "spaces.\n", attrname, val);
       }
       return valid ? 1 : 0;
    } else {