From 451cf00951ca268e9bedfbe733482d5f59971d61 Mon Sep 17 00:00:00 2001
From: Pat Cavit <github@patcavit.com>
Date: Mon, 10 Apr 2017 23:31:56 -0700
Subject: [PATCH] docs: add incrementing value to repeated anchors

---
 docs/generate.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/docs/generate.js b/docs/generate.js
index 52bc3e70..4bc76499 100644
--- a/docs/generate.js
+++ b/docs/generate.js
@@ -27,6 +27,7 @@ function generate(pathname) {
 		if (pathname.match(/\.md$/)) {
 			var outputFilename = pathname.replace(/\.md$/, ".html")
 			var markdown = fs.readFileSync(pathname, "utf-8")
+			var anchors = {}
 			var fixed = markdown
 				.replace(/`((?:\S| -> |, )+)(\|)(\S+)`/gim, function(match, a, b, c) { // fix pipes in code tags
 					return "<code>" + (a + b + c).replace(/\|/g, "&#124;") + "</code>"
@@ -53,6 +54,12 @@ function generate(pathname) {
 				.replace(/<h(.) id="([^"]+?)">(.+?)<\/h.>/gim, function(match, n, id, text) { // fix anchors
 					var anchor = text.toLowerCase().replace(/<(\/?)code>/g, "").replace(/<a.*?>.+?<\/a>/g, "").replace(/\.|\[|\]|&quot;|\/|\(|\)/g, "").replace(/\s/g, "-");
 
+					if(anchor in anchors) {
+						anchor += ++anchors[anchor]
+					} else {
+						anchors[anchor] = 0;
+					}
+
 					return `<h${n} id="${anchor}"><a href="#${anchor}">${text}</a></h${n}>`;
 				})
 			fs.writeFileSync("./dist/archive/v" + version + "/" + outputFilename.replace(/^docs\//, ""), html, "utf-8")