fixes #13444

nim-lang · Feb 21, 2020 · 1d90d98 · 1d90d98
1 parent 3667fd9
commit 1d90d98
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/pure/htmlgen.nim b/lib/pure/htmlgen.nim
@@ -89,7 +89,7 @@ proc xmlCheckedTag*(argsList: NimNode, tag: string, optAttr = "", reqAttr = "",
   for i in 0 ..< argsList.len:
     if argsList[i].kind == nnkExprEqExpr:
       var name = getIdent(argsList[i][0])
-      if delete(req, name) or delete(opt, name):
+      if name.startsWith("data-") or delete(req, name) or delete(opt, name):
         result.add(newStrLitNode(" "))
         result.add(newStrLitNode(name))
         result.add(newStrLitNode("=\""))