(comint-dynamic-complete-as-filename): Rename local vars.
(comint-dynamic-list-filename-completions): Likewise.
(comint-dynamic-list-completions-config): New var.
(comint-dynamic-list-completions): Handle both SPC and TAB right.
(comint-file-name-chars): Add [].
(comint-word): Use skip-chars-backward, not search.
comint-scroll-to-bottom-on-output. Old name is alias.
Doc fix. All uses changed.
(comint-scroll-show-maximum-output): Doc fix.
(comint-exec-1): Don't use directory-sep-char.
(comint-dynamic-complete-as-filename): Likewise.
(comint-inhibit-carriage-motion): New variable.
(comint-carriage-motion): Argument STRING removed. New arguments
START and END; interpret characters between START and END rather
than using special comint state.
(comint-output-filter): Call `comint-carriage-motion'.
(comint-output-filter-functions): Don't add `comint-carriage-motion'.
(comint-last-output-overlay): Variable removed.
(comint-send-input, comint-output-filter): Use text properties instead
of overlays.
(comint-insert-clicked-input): Rewrite to work with text properties as
well as overlays.
(comint-snapshot-last-prompt): Snapshot using text properties.
(comint-get-old-input-default, comint-extract-string): Don't copy text
properties.
(comint-output-filter-functions, comint-input-filter-functions)
(comint-redirect-filter-functions): Likewise.
(comint-redirect-preoutput-filter): Do the local-hook
handling of t when running comint-redirect-filter-functions.
(comint-output-filter): Likewise for comint-preoutput-filter-functions.
(comint-input-sender-no-newline): New variable.
(comint-simple-send): If comint-input-sender-no-newline,
don't output newline, but maybe send eof.
(comint-send-input): New arg NO-NEWLINE.
(comint-send-eof): Call comint-send-eof with NO-NEWLINE.
Switches back to the old window configuration.
(comint-dynamic-list-input-ring): Bind RET to that function.
(comint-dynamic-list-input-ring-window-conf): New variable.
(comint-mode-map): Bind `C-c .' to `comint-input-previous-argument'.
(comint-insert-previous-argument-last-start-pos)
(comint-insert-previous-argument-last-index): New variables.
expected end position in `echo-end', so that things work properly even
if the buffer is modified elsewhere at the same time [this happens if
`comint-truncate-buffer' is used].
