Bug 947588. Part 4: Set -moz-text-discard:none in devtools, XUL, text inputs, plaintext documents, view-source documents. r=heycam

--HG--
extra : rebase_source : 2db920396d9c5f8de51c4385250f2903629441fc

browser/devtools/markupview/markup-view.css

@@ -2,6 +2,10 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+:root {
+  -moz-control-character-visibility: visible;
+}
+
 /* Force height and width (possibly overflowing) from inline elements.
  * This allows long overflows of text or input fields to still be styled with
  * the container, rather than the background disappearing when scrolling */

layout/style/forms.css

@@ -136,6 +136,7 @@ textarea::-moz-placeholder {
   display: inline-block;
   ime-mode: inherit;
   resize: inherit;
+  -moz-control-character-visibility: visible;
 }
 
 textarea > .anonymous-div.wrap,

layout/style/plaintext.css

@@ -5,4 +5,5 @@
 pre {
   white-space: pre-wrap;
   word-wrap: break-word;
+  -moz-control-character-visibility: visible;
 }

layout/style/viewsource.css

@@ -9,6 +9,7 @@
   background-color: white;
   color: black;
   direction: ltr;
+  -moz-control-character-visibility: visible;
 }
 #viewsource {
   font-family: -moz-fixed;

toolkit/content/xul.css

@@ -24,6 +24,7 @@
 :root {
   text-rendering: optimizeLegibility;
   -moz-binding: url("chrome://global/content/bindings/general.xml#root-element");
+  -moz-control-character-visibility: visible;
 }
 
 :root:-moz-locale-dir(rtl) {