More commentary.

More commentary.
(speedbar-xemacsp) Moved definition.
(speedbar-initial-expansion-mode-list) was
`speedbar-initial-expansion-list' and now has multiple modes.
(speedbar-stealthy-function-list) now has mode labels.
(speedbar-initial-expansion-list-name,
speedbar-previously-used-expansion-list-name,
speedbar-special-mode-key-map, speedbar-track-mouse-flag,
speedbar-tag-hierarchy-method, speedbar-tag-split-minimum-length,
speedbar-tag-regroup-maximum-length,
speedbar-hide-button-brackets-flag) New variables
(speedbar-special-mode-expansion-list) updated documentation.
(speedbar-navigating-speed, speedbar-update-speed) phasing out.
(speedbar-vc-indicator) removed space from this var.
(speedbar-indicator-separator, speedbar-obj-do-check,
speedbar-obj-to-do-point, speedbar-obj-indicator, speedbar-obj-alist,
speedbar-indicator-regex) new variables.
(speedbar-directory-unshown-regexp) New variable.
(speedbar-supported-extension-expressions) Added more extensions.
(speedbar-add-supported-extension,
speedbar-add-ignored-path-regexp) Made interactive.
(speedbar-update-flag) nil w/ no window system.
(speedbar-file-key-map) Moved some key bindings from
`speedbar-key-map' to this map.
(speedbar-make-specialized-keymap) New function.
(speedbar-file-key-map) New key map.
(speedbar-easymenu-definition-special) Updated to new functions.
(speedbar-easymenu-definition-trailer) Changed conditional part.
(speedbar-frame-mode) Removed commented code, fixed W32 cursor
bug, Updated to better handle terminal frames.
(speedbar-switch-buffer-attached-frame) New function.
(speedbar-mode) Updated documentation, no local keymap,
correct `temp-buffer-show-function' use, enable mouse-tracking.
(speedbar-show-info-under-mouse) New function.
(speedbar-reconfigure-keymaps) Was `speedbar-reconfigure-menubar'.
Enable major display mode specific menus & key maps.
(speedbar-temp-buffer-show-function) Fix use of `temp-buffer-show-hook'
(speedbar-track-mouse, speedbar-track-mouse-xemacs) New functions.
(speedbar-restricted-move, speedbar-restricted-next,
speedbar-restricted-prev, speedbar-navigate-list,
speedbar-forward-list, speedbar-backward-list) New commands.
(speedbar-refresh) Updated message printing & verbosity.
(speedbar-item-load) Updated message.
(speedbar-item-byte-compile) Updated doc & reset scanners.
(speedbar-item-info) Overhauled with more details.
(speedbar-item-copy) Update messages.
(speedbar-generic-item-info) New function
(speedbar-item-delete) Update messages.
(speedbar-item-object-delete) New function.
(speedbar-select-window) Update doc.  Use `show-buffer'.
(speedbar-make-button) Update doc.
(speedbar-initial-expansion-list, speedbar-initial-menu,
speedbar-initial-keymap, speedbar-initial-stealthy-functions,
speedbar-add-expansion-list,
speedbar-change-initial-expansion-list) New functions.
(speedbar-maybe-add-localized-support,
speedbar-add-localized-speedbar-support,
speedbar-remove-localized-speedbar-support) Imported from speedbspec
(speedbar-file-lists) Filter out some directories.
(speedbar-make-tag-line) Can hide brackets.
(speedbar-change-expand-button-char) Protect invisible text prop.
(speedbar-insert-files-at-point) Ignore case during comares.
(speedbar-apply-one-tag-hierarchy-method,
speedbar-create-tag-hierarchy) New functions.
(speedbar-insert-generic-list) Now calls hierarchy functions on tags.
(speedbar-update-contents) Handles localized support.
(speedbar-update-directory-contents) Uses fn for expansion list,
Fixed directory cacheing bug.
(speedbar-timer-fn) Calls localized support function.
(speedbar-stealthy-update-recurse) New variable
(speedbar-stealthy-updates) Handle new stealth function format.
(speedbar-clear-current-file) Handle indicator regex.
(speedbar-update-current-file) Ignores case, update handle
indicator regex, Fix line positioning.
(speedbar-add-indicator) Handles obj indicators now.
(speedbar-check-objects, speedbar-check-obj-this-line) New functions.
(speedbar-double-click) Fix tripple click error.
(speedbar-line-file, speedbar-goto-this-file) Handle indicator regex.
(speedbar-line-path) Only try to get a file when in "files" display.
(speedbar-line-depth) Handle indicator regex.
(speedbar-dir-follow) Turn of smart-adjust to disable cache use.
(speedbar-directory-buttons-follow) Hack for W32 emacs directories.
(speedbar-buffers-key-map) New key map.
(speedbar-buffer-easymenu-definition) New meny items.
(speedbar-buffer-buttons, speedbar-buffer-buttons-temp,
speedbar-buffer-buttons-engine, speedbar-buffer-click,
speedbar-buffer-kill-buffer, speedbar-buffer-revert-buffer)
New functions.