Use monospace font for HTML source, b=76191, r=hwaara, sr=kin

themes/classic/editor/editor.css

@@ -40,6 +40,13 @@
   padding: 5px 0px 0px 5px;
 }
 
+/* Multiline textarea for HTML source editing */
+#content-source, #doctype-text
+  {
+    font-family   : monospace;
+    font-size     : larger;
+  }
+
 #appcontent
   {
     border-left           : 1px solid ThreeDShadow;

themes/classic/editor/mac/editor.css

@@ -40,6 +40,13 @@
   padding: 5px 0px 0px 5px;
 }
 
+/* Multiline textarea for HTML source editing */
+#content-source, #doctype-text
+  {
+    font-family   : monospace;
+    font-size     : larger;
+  }
+
 #appcontent
   {
     border-top            : 1px solid #000000;

themes/classic/editor/win/editor.css

@@ -40,6 +40,13 @@
   padding: 5px 0px 0px 5px;
 }
 
+/* Multiline textarea for HTML source editing */
+#content-source, #doctype-text
+  {
+    font-family   : monospace;
+    font-size     : larger;
+  }
+
 #appcontent
   {
     border-left           : 1px solid ThreeDShadow;

themes/modern/editor/editor.css

@@ -43,3 +43,8 @@
   padding: 5px 0px 0px 5px;
 }
 
+/* Multiline textarea for HTML source editing */
+#content-source, #doctype-text {
+  font-family   : monospace;
+  font-size     : larger;
+}