From 7c757e3b61648e804a489c1a256e22d4d49148b1 Mon Sep 17 00:00:00 2001
From: Gregory Shrago <Gregory.Shrago@jetbrains.com>
Date: Thu, 19 Nov 2009 20:39:49 +0300
Subject: [PATCH] IDEADEV-41475 Edit HTML fragment: Adds unnecessary escapes

---
 .../src/com/intellij/openapi/util/text/StringUtil.java     | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/platform/util/src/com/intellij/openapi/util/text/StringUtil.java b/platform/util/src/com/intellij/openapi/util/text/StringUtil.java
index 98d16895c1..b327b4958b 100644
--- a/platform/util/src/com/intellij/openapi/util/text/StringUtil.java
+++ b/platform/util/src/com/intellij/openapi/util/text/StringUtil.java
@@ -418,6 +418,10 @@ public class StringUtil {
   }
 
   public static void escapeStringCharacters(int length, final String str, @NotNull @NonNls StringBuilder buffer) {
+    escapeStringCharacters(length, str, "\"", buffer);
+  }
+
+  public static StringBuilder escapeStringCharacters(int length, final String str, String additionalChars, @NotNull @NonNls StringBuilder buffer) {
     for (int idx = 0; idx < length; idx++) {
       char ch = str.charAt(idx);
       switch (ch) {
@@ -441,16 +445,15 @@ public class StringUtil {
           buffer.append("\\r");
           break;
 
-        case'\"':
-          buffer.append("\\\"");
-          break;
-
         case'\\':
           buffer.append("\\\\");
           break;
 
         default:
-          if (Character.isISOControl(ch)) {
+          if (additionalChars != null && additionalChars.indexOf(ch) > -1) {
+            buffer.append("\\").append(ch);
+          }
+          else if (Character.isISOControl(ch)) {
             String hexCode = Integer.toHexString(ch).toUpperCase();
             buffer.append("\\u");
             int paddingCount = 4 - hexCode.length();
@@ -464,6 +467,7 @@ public class StringUtil {
           }
       }
     }
+    return buffer;
   }
 
   @NotNull public static String escapeStringCharacters(@NotNull String s) {
-- 
2.11.4.GIT