Fixes bug MDL-6360 "Resizable image in breadcrumb trail..."

- files block_search_forums.php, calendar/lib.php, lang/en_utf8/access.php, weblib.php, theme/standard/config.php, styles_color.css

theme/standard/config.php

@@ -121,9 +121,22 @@ $THEME->custompix = false;
 /// files from the moodle/pix directory, plus a
 /// "pix/mod" directory containing all the icons 
 /// for all the activity modules.
-////////////////////////////////////////////////////////////////////////////////
 
 
+///$THEME->rarrow = '►' //OR '→';
+///$THEME->larrow = '◄' //OR '←';
+///$CFG->block_search_button = $THEME->rarrow .'<span class="accesshide">'.get_string('search').'</span>';
+///
+/// Accessibility: Right and left arrow-like characters are
+/// used in the breadcrumb trail, course navigation menu 
+/// (previous/next activity), calendar, and search forum block.
+///
+/// If the theme does not set characters, appropriate defaults
+/// are set by (lib/weblib.php:check_theme_arrows). The suggestions
+/// above are 'silent' in a screen-reader like JAWS. Please DO NOT
+/// use &lt; &gt; &raquo; - these are confusing for blind users.
+////////////////////////////////////////////////////////////////////////////////
+
 
 // These colours are not used anymore, so I've set them to 
 // bright green to help identify where they should be removed

theme/standard/styles_color.css

@@ -196,6 +196,10 @@ table.formtable tbody th {
  *** Header
  ***/
 
+.breadcrumb .sep {
+  color:#aaa;
+}
+
 .headerskip a:link,
 .headerskip a:visited,
 .headerskip a:hover {
@@ -957,4 +961,4 @@ body#mod-quiz-report table#attempts .r1 {
 #admin-roles-override .capcurrent {
   background-color:#FFFFFF;
   border: 1px solid #cecece;
-}
+}