+ <tag-pattern>, index
+
+ <tag-prefix>, generic
+
+ <tag-prefix-cond>, generic
+
+ <tag-thread>, Threaded Mode, index
+
+ $text_flowed , $text_flowed
+
+ $thorough_search , $thorough_search
+
+ $thread_received , $thread_received
+
+ $tilde , $tilde
+
+ $timeout, IMAP Support (OPTIONAL), $timeout
+
+ $tmpdir, Temporary Files, $tmpdir
+
+ $to_chars, Status Flags
+
+ toggle, Setting variables, Configuration Commands
+
+ <toggle-mailboxes>, browser
+
+ <toggle-new>, index
+
+ <toggle-quoted>, Miscellaneous Functions, pager
+
+ <toggle-subscribed>, browser
+
+ <toggle-unlink>, compose
+
+ <toggle-write>, index
+
+ <top>, pager
+
+ <top-page>, generic
+
+ $to_chars , $to_chars
+
+ <transpose-chars>, editor
+
+ $trash , $trash
+
+ $tunnel , $tunnel
+
+ U
+
+ $umask, Temporary Files, $umask
+
+ unalias, Defining/Using aliases, Configuration Commands
+
+ unalternates, Alternative addresses, Configuration Commands
+
+ unalternative_order, MIME Multipart/Alternative, Configuration Commands
+
+ unauto_view, MIME Autoview, Configuration Commands
+
+ $uncollapse_jump , $uncollapse_jump
+
+ uncolor, Using color and mono video attributes, Configuration Commands
+
+ <undelete-entry>, attach, postpone
+
+ <undelete-message>, index, pager
+
+ <undelete-pattern>, index
+
+ <undelete-subthread>, Threaded Mode, index, pager
+
+ <undelete-thread>, Threaded Mode, index, pager
+
+ unhdr_order, Defining the order of headers when viewing messages,
+ Configuration Commands