diff --git a/hmmlib2/hmmlib.h b/hmmlib2/hmmlib.h
index 9b77b21..b80361b 100644
--- a/hmmlib2/hmmlib.h
+++ b/hmmlib2/hmmlib.h
@@ -296,7 +296,7 @@ static char* _hmml_read_attr(struct _hmml_parser* p, char* mem, size_t mem_size,
         p->cursor = src+1;
     } else {
         const char* breaks = break_on_punct
-            ? " ]\r\n\t:,'-.#=[\\"
+            ? " ]\r\n\t:,'-.#=[\\?"
             : " ]\r\n\t"
             ;
 
@@ -801,7 +801,7 @@ void hmml_free(HMML_Output* out)
 }
 
 const struct HMML_Version hmml_version = {
-    2, 0, 5
+    2, 0, 6
 };
 
 #undef HSTX