+ <title>Mutt's MIME Support</title>
+
+--- a/doc/Muttrc
++++ b/doc/Muttrc
+@@ -29,6 +29,11 @@ macro generic,pager <F1> "<shell-escape>
+ macro index,pager y "<change-folder>?<toggle-mailboxes>" "show incoming mailboxes list"
+ bind browser y exit
+
++# Use folders which match on \\.gz$ as gzipped folders:
++# open-hook \\.gz$ "gzip -cd %f > %t"
++# close-hook \\.gz$ "gzip -c %t > %f"
++# append-hook \\.gz$ "gzip -c %t >> %f"
++
+ # If Mutt is unable to determine your site's domain name correctly, you can
+ # set the default here.
+ #
+--- a/doc/Muttrc.head
++++ b/doc/Muttrc.head
+@@ -29,6 +29,11 @@ macro generic,pager <F1> "<shell-escape>
+ macro index,pager y "<change-folder>?<toggle-mailboxes>" "show incoming mailboxes list"
+ bind browser y exit
+
++# Use folders which match on \\.gz$ as gzipped folders:
++# open-hook \\.gz$ "gzip -cd %f > %t"
++# close-hook \\.gz$ "gzip -c %t > %f"
++# append-hook \\.gz$ "gzip -c %t >> %f"
++
+ # If Mutt is unable to determine your site's domain name correctly, you can
+ # set the default here.
+ #
+--- a/doc/muttrc.man.head
++++ b/doc/muttrc.man.head
+@@ -345,6 +345,24 @@ specify the ID of the public key to be u