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Renamed from comint-after-partial-pathname-command.
(comint-match-partial-file-name, comint-after-partial-file-name):
Renamed from comint-match-partial-pathname, etc.

(comint-last-output-start): New variable to record
where most recent process output started from.
(comint-mode): Initialise it.
(comint-output-filter): Set it.

(comint-previous-matching-input-string): Moved to
comint-previous-matching-input-position.
(comint-previous-matching-input-string): Use it.
(comint-search-arg, comint-search-start,
comint-previous-input-string): New subroutines.
(comint-previous-input, comint-next-input,
comint-previous-matching-input, comint-next-matching-input,
comint-previous-matching-input-from-input,
comint-next-matching-input-from-input): Use them.

(comint-mode-map): Added signal menu-bar.  Moved
comint-backward/forward-matching-input to output menu-bar, since
they move within the buffer rather than do input.

(comint-send-input, comint-after-pmark-p,
comint-kill-input, comint-proc-query): Removed serialisation of
obtaining the process mark's marker-position.

Commented out comint-load-hooks.

(comint-dynamic-simple-complete): New subroutine.

(comint-dynamic-complete-filename-command): New variable.
(comint-after-partial-pathname-command): New variable.
(comint-after-partial-pathname): New subroutine.
(comint-dynamic-complete): Use them.
(comint-mode): Make them local.

Renamed comint-dynamic-complete-command to
comint-dynamic-complete-command-command for consistency.
Renamed comint-file-name-addsuffix/autolist/recexact to
comint-completion-addsuffix/autolist/recexact for consistency.

(comint-replace-by-expanded-history): Check if input
ring size is not big enough for relative reference.

(comint-read-input-ring, comint-input-ring-file-name):
From shell.el.
(shell-write-input-ring): New subroutine.

(comint-file-name-prefix): New variable.
(comint-directory): New inline subroutine.
(comint-dynamic-complete-filename, comint-dynamic-complete-variable,
comint-dynamic-list-filename-completions): Use it.

(comint-dynamic-complete-filename,
comint-dynamic-complete-variable,
comint-dynamic-list-filename-completions): Make sure local
completion-ignore-case is nil.

(comint-next-prompt, comint-previous-prompt): Use
paragraph-start and paragraph motion commands rather than
re-search-forward and re-search-backward commands.

(comint-dynamic-list-input-ring,
comint-previous-matching-input-string): Use ring-empty-p rather
than zerop and ring-length.

(comint-input-ignoredups): New variable.
(comint-send-input, shell-read-input-ring): Use it.
(comint-mode): Make comint-input-ignoredups local.  Doc fix.

(comint-scroll-to-bottom-on-input): New variable.
(comint-scroll-to-bottom-on-output): New variable.
(comint-scroll-show-maximum-output): New variable.
(comint-output-filter-hook): New variable, defaults to
comint-postoutput-scroll-to-bottom.

(comint-output-filter): Renamed from comint-filter
for consistency.  Now calls comint-output-filter-hook.

(comint-preinput-scroll-to-bottom): New subroutine.
(comint-postoutput-scroll-to-bottom): New subroutine.
(comint-show-maximum-output): New command.
(comint-copy-old-input): New command.

(comint-send-input): Run comint-output-filter-hook if
necessary as a kludge to prevent messy redisplays.

(comint-mode-map): Added comint-show-maximum-output to
C-c C-e and menu-bar output, and comint-copy-old-input to C-c C-i
and menu-bar input.

(comint-mode): Make local variables
comint-scroll-to-bottom-on-input, before-change-function,
comint-scroll-to-bottom-on-output, comint-scroll-show-maximum-output,
and comint-output-filter-hook.


(comint-version): Deleted--no need for separate version.
(comint-input-ring-index): Make this a permanent local.
(comint-mode): Don't alter comint-input-ring-index or comint-input-ring
if already set meaningfully.

(comint-mode-map): Added keys M-R/S for
comint-previous/next-matching-input-from-input and to completion
menu-bar.  Added comint-forward/backward-matching-input and
comint-previous/next-matching-input to completion menu-bar.

(comint-mode): Doc fix for functionality.

(comint-exec-1): Uses setenv.
(comint-update-env): Removed.

(comint-input-ring-size): Incremented to 32, as with
command history.
(comint-dynamic-list-input-ring): Check for zero
length ring.  Use ring length, not ring size, when generating
list.  Use buffer " *Input History*".
(comint-previous-matching-input-string): Check for zero-length ring.
Check last item in case at end of cycle and it's a match.
(comint-searching-input-ring): New subroutine.

(comint-regexp-arg): New subroutine.

(comint-previous-matching-input-from-input): New command.
(comint-next-matching-input-from-input): New command.

(comint-replace-by-expanded-history): Fix for matching
inside quotes.  Fix to allow argument subrange specifiers.  Fix to
identify and reject absolute input number references.

(comint-within-quotes): New subroutine.
(comint-how-many-region): New subroutine.
(comint-args): New subroutine.
(comint-delim-arg): New subroutine.
(comint-arguments): New subroutine.
(comint-delimiter-argument-list): New variable.

(comint-send-input): Inserts input arguments into ring
separated by single spaces.

(comint-filter): Checks the buffer's process to make
sure it's still there.  Otherwise, set-buffer will fail.

(comint-backward-matching-input): New command.
(comint-forward-matching-input): New command.

(comint-next-prompt, comint-previous-prompt):
Error if reach beg/end of buffer.

(comint-dynamic-complete): Fix for absolute input
number references.
(comint-dynamic-complete-filename): Changed listings
function to comint-dynamic-list-filename-completions.  Uses
file-directory-p rather than string-match to test for directories.
(comint-dynamic-list-completions): Changed to list the
list of completions supplied as the function argument.  Use buffer
" *Completions*".

(comint-match-partial-pathname): New subroutine.
(comint-dynamic-complete-variable): New command.
(comint-dynamic-list-filename-completions): New function.

(comint-previous-input):
Don't use replace-match; just insert before deleting.
(comint-magic-space): Use self-insert command.
(comint-history-file-name): New variable.

(comint-mode): Initialize comint-input-ring before
running comint-mode-hook.

(comint-input-autoexpand): New variable.
(comint-dynamic-complete-command): New variable.
(comint-get-current-command): New variable.

(comint-read-input-ring): New function.

(comint-send-input): Handle history expansion.
(comint-input-sentinel): Doc fix.

(comint-mode-map): Added key binding for C-c C-h.
Added menu bars for completion, input and output.

(comint-dynamic-list-input-ring): New function.

(comint-previous-input-string): New subroutine.
(comint-previous-input): Use it.
(comint-previous-matching-input-string): New subroutine.
(comint-previous-matching-input): Use it.

(comint-replace-by-expanded-history): New command.
(comint-magic-space): New command.
(comint-replace-by-expanded-filename): Now replaces
expanded match for a filename, and then calls filename completion
comint-dynamic-complete-filename to do file name completion.

(comint-kill-output): Don't kill prompt.
(comint-show-output): Don't move point if it's
visible where it is, and if point is moved, put it after prompt.

(comint-dynamic-complete): Totally new definition.
(comint-dynamic-complete-filename): New name for old
function comint-dynamic-complete, completes files and lists
candidates, souped up for configurability.
(comint-dynamic-complete-variable): New command.
(comint-file-name-autolist): New variable.
(comint-file-name-addsuffix): New variable,
(comint-file-name-recexact): New variable.