endpoints of strictly horizontal/vertical lines.
(mac_set_clip_rectangles) [USE_CG_DRAWING]: Set clip_rects.
(pcm_init, pcm_get_status): New functions.
(x_per_char_metric, XLoadQueryFont): Use them instead of
XCharStructRow and related macros.
(x_draw_relief_rect): Don't adjust arguments of mac_draw_line.
(x_free_frame_resources) [TARGET_API_MAC_CARBON]: Free FRAME_FILE_NAME.
(XTread_socket) [TARGET_API_MAC_CARBON]: Handle proxy icon drag
and window path pop-up menu on title bar.
(mac_use_core_graphics) [USE_CG_DRAWING]: Set default to 1.
(USE_CG_DRAWING): Don't define if compiled on Mac OS X 10.1.
(enum pcm_status): New enum.
(XCHARSTRUCTROW_CHAR_VALID_P, XCHARSTRUCTROW_SET_CHAR_VALID)
(XCharStructRow): Remove. Now validity is represented by
non-negativeness of sum of ascent and descent.
(struct MacFontStruct): Change type of member `rows'.
(struct _XGC) [USE_CG_DRAWING]: Add member `clip_rects'.
(grep-auto-highlight): Remove.
(grep-template): New defcustom.
(grep-find-template): Rename from grep-tree-template.
(grep-files-aliases): Rename from grep-tree-files-aliases.
Remove "all" alias, add "l" alias.
(grep-tree-ignore-case, grep-tree-ignore-CVS-directories): Remove.
(grep-find-ignored-directories): New defcustom to replace
grep-tree-ignore-CVS-directories, to facilitate ignoring
subdirectories for multiple version control systems.
(grep-mode-map): Add Recursive grep item to GREP menu.
(grep-regexp-history, grep-files-history): New defvars.
(grep-probe): New helper function.
(grep-compute-defaults): Use it to simplify code.
Adapt to name changes.
Use `.' as base in grep-find-template rather than <D>.
(grep): Remove superfluous highlight-regexp arg. Fix doc.
Call grep-compute-defaults unconditionally.
(grep-expand-keywords): New defconst.
(grep-expand-template): Rename from grep-expand-command-macros.
Simplify via grep-expand-keywords. Look at case-fold-search instead
of grep-tree-ignore-case to add -i option.
Bind case-fold-search to nil while matching keywords.
(grep-tree-last-regexp, grep-tree-last-files): Remove.
(grep-read-regexp, grep-read-files): New helper functions.
(rgrep): Rename from grep-tree. Rework to use proper histories.
Adapt to changes in defcustoms and functions above.
(lgrep): New command, as grep, but using same interactive api as rgrep.
Tramp's functionality while loading Tramp itself.
(tramp-register-file-name-handlers): That's a defsubst now. Code
from `tramp-repair-jka-compr' moved here. Apply it via
`after-init-hook'.
(tramp-repair-jka-compr): Removed.
