Add optional argument to indent filter

 - Legacy-Id: 4853

Author: OleLaursen

ietf/idtracker/templatetags/ietf_filters.py

@@ -31,8 +31,8 @@ def format_charter(value):
     return value.replace("\n\n", "</p><p>").replace("\n","<br/>\n")
 
 @register.filter(name='indent')
-def indent(value):
-    return value.replace("\n", "\n  ");
+def indent(value, amount=2):
+    return value.replace("\n", "\n" + " " * amount);
 
 @register.filter(name='parse_email_list')
 def parse_email_list(value):