From 2ab65d300ababe0eed36e46acc8cf3199f683d48 Mon Sep 17 00:00:00 2001
From: Niklas Fasching <niklas.fasching@gmail.com>
Date: Fri, 17 Apr 2020 16:17:30 +0200
Subject: [PATCH] Fix #+LINK: file xyz edge case

if we define a custom LINK for file we run into index problems bc it's trimmed
before already - this fixes that. Shouldn't ever happen but whatever, fuzzing
found it.
---
 org/html_writer.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/org/html_writer.go b/org/html_writer.go
index 6d77b7c..e0290b1 100644
--- a/org/html_writer.go
+++ b/org/html_writer.go
@@ -339,7 +339,7 @@ func (w *HTMLWriter) WriteRegularLink(l RegularLink) {
 		url = url[len("file:"):]
 	}
 	if prefix := w.document.Links[l.Protocol]; prefix != "" {
-		url = html.EscapeString(prefix) + url[len(l.Protocol)+1:]
+		url = html.EscapeString(prefix) + strings.TrimPrefix(url, l.Protocol+":")
 	}
 	description := url
 	if l.Description != nil {