not only *info* buffer, but all (even renamed) Info buffers
by checking for major-mode instead of *info* buffer name.
(c-mode, autoconf-mode, emacs-lisp-mode, scheme-mode)
(octave-mode, maxima-mode) <doc-spec>:
Allow long dashes generated by Texinfo 4.7 before definitions.
(texinfo-mode) <doc-spec>: Add space to suffix to find command
definitions with argument separated by space.
Macro Index". Add "(autoconf)M4 Macro Index" and "(autoconf)Autotest Macro
Index". Remove duplicate copy of "(automake)Macro and Variable Index". Keep
automake after all autoconf possibilities, so as to prefer those.
case-insensitive if not found case-sensitive.
Do case sensitive search in index nodes, so items differing only in
case go correctly to their respective nodes.
argument query for new choice of help mode.
(info-lookup-symbol): Use it.
(info-lookup-file): Ditto.
(info-lookup): Don't switch to other window, if already in Info buffer.
Removed Info-lookup minor mode.
(info-lookup-file-name-alist): New variable.
(info-lookup-select-mode): New function. Select help mode
according to info-lookup-file-name-alist or fall back to the
buffer's major mode.
(info-lookup): Use info-lookup-select-mode.
(info-lookup-interactive-arguments): Likewise.
(info-complete-symbol): Likewise.
(info-complete-file): Likewise.
(info-complete): Likewise.
(info-lookup->mode-cache, info-lookup->initialized): Likewise.
(info-lookup->completions, info-lookup->refer-modes): Likewise.
(info-lookup->all-modes): Likewise.
(info-lookup-quick-all-modes): New function.
(info-complete): Find the symbol to complete first,
then compute list of completions.
(lisp-mode): Add info-lookup-maybe-add-help for it.
(info-lookup-minor-mode, turn-on-info-lookup):
Added minor mode interface.
(info-lookup-minor-mode-string): New variable.
(info-lookup-minor-mode-map): New variable.
Provide a work-around if the custom library is not available.
(info-lookup-other-window-flag)
(info-lookup-highlight-face): Variables customized.
(info-lookup-alist): No longer customizable.
(info-lookup-add-help, info-lookup-maybe-add-help): Interface
functions for adding new modes.
(info-lookup-add-help*): New function.
(info-lookup-symbol-alist, info-lookup-file-alist): Variables deleted.
This info is specified now by calling info-lookup-maybe-add-help
and info-lookup-add-help.
or if initial guess is already ambiguous.
(info-look-completion): New variable.
(info-lookup-symbol-alist):
Added support for latex-mode, perl-mode, awk-mode, emacs-lisp-mode.
(info-lookup-make-completions): Catch errors one file at a time.
Use a special temp buffer, not the usual info buffer,
and never display it in a window.
