+email-filter::
+ Specifies a command which will be invoked to format names and email
+ address of committers, authors, and taggers, as represented in various
+ places throughout the cgit interface. This command will receive an
+ email address as its only command line argument, and the text to
+ format on STDIN. It is to write the formatted text back out onto
+ STDOUT. Default value: none. See also: "FILTER API".
+