help.syntax: only allow help.markup $words

diff --git a/basis/help/syntax/syntax.factor b/basis/help/syntax/syntax.factor
index 2cb4614c6ca5f49d4ba3ebc6f87703eaa3f43020..b45bfd3ee7904d070d9e67e4e4195902feb42d61 100644 (file)
--- a/basis/help/syntax/syntax.factor
+++ b/basis/help/syntax/syntax.factor
@@ -17,7 +17,7 @@ DEFER: HELP{
     ?scan-token dup {
         [ "{" = [ \ HELP{ ] [ f ] if ]
         [ "syntax" lookup-word ]
-        [ "help.markup" lookup-word ]
+        [ { [ "$" head? ] [ "help.markup" lookup-word ] } 1&& ]
         [ dup ?last ":{[(/\"" member-eq? [ search ] [ drop f ] if ]
     } 1|| {
         { [ dup not ] [ drop ] }