tools: disallow trailing whitespace for markdown

markdown had a dispensation because 2 or more trailing spaces triggers a
new paragraph. There are no examples of that usage in Node, all trailing
whitespace found were mistakes, and the dispensation is now removed.

See: https://github.com/nodejs/node/pull/9620
PR-URL: https://github.com/nodejs/node/pull/9676
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/benchmark/README.md b/benchmark/README.md
index 5401d92a51..a90f0f548f 100644
--- a/benchmark/README.md
+++ b/benchmark/README.md
@@ -326,7 +326,7 @@ const bench = common.createBenchmark(main, {
 function main(conf) {
   const http = require('http');
   const len = conf.kb * 1024;
-  const chunk = Buffer.alloc(len, 'x'); 
+  const chunk = Buffer.alloc(len, 'x');
   const server = http.createServer(function(req, res) {
     res.end(chunk);
   });