(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.
(parse_rgb_list, tty_lookup_color): New functions.
(tty_defined_color): Use `tty_lookup_color' to do all the work.
(color_distance, Fcolor_distance): New functions.
(TTY_SAME_COLOR_THRESHOLD): New macro.
(Qtty_color_standard_values): New variable.
(syms_of_xfaces): Initialize new vars & functions.
consistency with the rest of emacs.
(tty-color-canonicalize): Only copy COLOR if we need to change it.
(tty-color-approximate): Scale values from `color-name-rgb-alist'
appropriately. Return the whole color description, rather than just the
RGB values.
(tty-color-standard-values): New function. Code mostly taken from
`tty-color-translate'.
(tty-color-translate, tty-color-values): Use `tty-color-desc' to do all
the work.
(tty-color-desc): Do color lookup here instead of calling
`tty-color-translate' and `tty-color-by-index'; this is now the main
place to do it.
(auto-coding-from-file-contents): Delete; merge functionality into
`set-auto-coding'.
(set-auto-coding): Move tests from `auto-coding-functions' so that
they have a lower priority than coding: tags. Put
`auto-coding-regexp-alist' tests before coding: tag tests.
(sgml-xml-auto-coding-function): Simply `intern' the match, and
test if it's a valid coding system.
(auto-coding-functions): Add `sgml-html-meta-auto-coding-function'.
(ibuffer-get-category): Delete.
(ibuffer-compile-make-eliding-form): Use `font-lock-face' instead
of categories.
(ibuffer-compile-format): Don't treat `name' category specially.
(ibuffer-column name): Use `font-lock-face'.
(filename-and-process): Ditto.
(ibuffer-buffer-name-category): Renamed to
`ibuffer-buffer-name-face'. Don't use categories.
(ibuffer-update-title-and-summary): Use `font-lock-face'.
(ibuffer-insert-filter-group): Ditto.
(ibuffer-mode): Don't set up categories.
(turn-on-font-lock-if-enabled): Don't use it.
(font-lock-symbol-category-alist): Delete.
(font-lock-default-function): Use new `char-property-alias-alist' to
make `font-lock-face' an alias for `face' when font-lock mode is
enabled.
`default-text-properties' and the `category' property.
(default-text-properties): Note `char-property-alias-alist'.
(Special Properties): Document new property `font-lock-face'.
