Highlight tabs in source

weblate/media/css/style.css

@@ -60,6 +60,10 @@ ul.breadcrumbs li {
     white-space: pre;
     display: inline-block;
 }
+.space-tab {
+    width: 4em;
+    text-align: center;
+}
 .suggestionactions {
     float: right;
 }

weblate/trans/templatetags/translations.py

@@ -41,6 +41,7 @@ register = template.Library()
 
 def fmt_whitespace(value):
     value = re.sub(r'(  +| $|^ )', '<span class="hlspace">\\1</span>', value)
+    value = value.replace('\t', u'<span class="hlspace space-tab">⇢</span>')
     return value
 
 @register.filter