From 05f17db8b2c57ae86d1043ca8009a34c3cd2f611 Mon Sep 17 00:00:00 2001
From: Shigeki Ohtsu <ohtsu@iij.ad.jp>
Date: Tue, 5 Jan 2016 18:11:19 +0900
Subject: [PATCH] tools: fix warning in doc parsing

The description of "[start[, end]]" in the doc shows warning of
"invalid param" when parsing an optional parameter in the section.
This fixes insufficient trimming of right square brackets.

PR-URL: https://github.com/nodejs/node/pull/4537
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 tools/doc/json.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/doc/json.js b/tools/doc/json.js
index 4c57aefd79..07aef469f3 100644
--- a/tools/doc/json.js
+++ b/tools/doc/json.js
@@ -283,7 +283,7 @@ function parseSignature(text, sig) {
     // [foo] -> optional
     if (p.charAt(p.length - 1) === ']') {
       optional = true;
-      p = p.substr(0, p.length - 1);
+      p = p.replace(/\]/g, '');
       p = p.trim();
     }
     var eq = p.indexOf('=');