From: John Benediktsson <mrjbq7@gmail.com>
Date: Mon, 31 Oct 2022 03:57:43 +0000 (-0700)
Subject: help.syntax: only allow help.markup $words
X-Git-Tag: 0.99~1049
X-Git-Url: https://gitweb.factorcode.org/gitweb.cgi?p=factor.git;a=commitdiff_plain;h=5ba9d22a95b03b8af82253afa2ae7eff84bb9d9b

help.syntax: only allow help.markup $words
---

diff --git a/basis/help/syntax/syntax.factor b/basis/help/syntax/syntax.factor
index 2cb4614c6c..b45bfd3ee7 100644
--- 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 ] }