From c0f4b84867851e647fabe35ad16909a476b40e91 Mon Sep 17 00:00:00 2001
From: alexlamsl <alexlamsl@gmail.com>
Date: Thu, 3 Mar 2016 01:49:49 +0800
Subject: [PATCH] clarify squashTrailingWhitespace()

---
 dist/htmlminifier.js | 6 +++++-
 src/htmlminifier.js  | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/dist/htmlminifier.js b/dist/htmlminifier.js
index 6a5879a..377e3d3 100644
--- a/dist/htmlminifier.js
+++ b/dist/htmlminifier.js
@@ -1324,9 +1324,13 @@
       buffer.length = Math.max(0, index);
     }
 
+    // look for trailing whitespaces from previously processed text
+    // which may not be trimmed due to a following comment or an empty
+    // element which has now been removed
     function squashTrailingWhitespace(nextTag) {
       var charsIndex;
-      if (buffer.length > 1 && /^(?:<!|$)/.test(buffer[buffer.length - 1]) && /\s$/.test(buffer[buffer.length - 2])) {
+      if (buffer.length > 1 && /^(?:<!|$)/.test(buffer[buffer.length - 1]) &&
+          /\s$/.test(buffer[buffer.length - 2])) {
         charsIndex = buffer.length - 2;
       }
       else if (buffer.length > 0 && /\s$/.test(buffer[buffer.length - 1])) {
diff --git a/src/htmlminifier.js b/src/htmlminifier.js
index 9eabd4e..3298cd2 100644
--- a/src/htmlminifier.js
+++ b/src/htmlminifier.js
@@ -784,9 +784,13 @@
       buffer.length = Math.max(0, index);
     }
 
+    // look for trailing whitespaces from previously processed text
+    // which may not be trimmed due to a following comment or an empty
+    // element which has now been removed
     function squashTrailingWhitespace(nextTag) {
       var charsIndex;
-      if (buffer.length > 1 && /^(?:<!|$)/.test(buffer[buffer.length - 1]) && /\s$/.test(buffer[buffer.length - 2])) {
+      if (buffer.length > 1 && /^(?:<!|$)/.test(buffer[buffer.length - 1]) &&
+          /\s$/.test(buffer[buffer.length - 2])) {
         charsIndex = buffer.length - 2;
       }
       else if (buffer.length > 0 && /\s$/.test(buffer[buffer.length - 1])) {
-- 
2.34.1