From 05e0dd6f6b1e07d098ab8d31ef0bafd39bbee9cd Mon Sep 17 00:00:00 2001
From: Doug Kearns <dougkearns@gmail.com>
Date: Mon, 24 Jan 2011 12:21:22 +1100
Subject: [PATCH] Add arg validation to :pageinfo.

---
 common/content/buffer.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/common/content/buffer.js b/common/content/buffer.js
index 21008477..b240820f 100644
--- a/common/content/buffer.js
+++ b/common/content/buffer.js
@@ -1423,7 +1423,13 @@ var Buffer = Module("buffer", {
 
         commands.add(["pa[geinfo]"],
             "Show various page information",
-            function (args) { buffer.showPageInfo(true, args[0]); },
+            function (args) {
+                let arg = args[0];
+                let opt = options.get("pageinfo");
+
+                dactyl.assert(opt.validator(opt.parse(arg)), "E475: Invalid argument: " + arg);
+                buffer.showPageInfo(true, arg);
+            },
             {
                 argCount: "?",
                 completer: function (context) {