*** The new function `comint-add-to-input-history' adds commands to the input
ring (history).
+*** The new variable `comint-input-history-ignore' is a regexp for
+identifying history lines that should be ignored, like tcsh inserts in
+time-stamp strings starting a `#'. The default value of this variable
+is "^#".
+
** Changes to Rmail mode
*** The new user-option rmail-user-mail-address-regexp can be