src/image.c <Qlibpng_version>: New variable.
(syms_of_image): Intern and staticpro it. Set its value to the
version of PNG library we were compiled with.
(my_png_error, png_load): Avoid GCC warnings about direct access
to png_ptr->jmpbuf.
lisp/term/w32-win.el (image-library-alist): Set up correctly for
libpng versions both before and after 1.4.0.
admin/nt/README.W32: Update the information about PNG support libraries.
nt/INSTALL: Update the information about PNG support libraries.
doc/emacs/frames.texi (Cut and Paste): Modify the section's name and text:
don't mix "cut/paste" with "kill/yank".
(Cut/Paste Other App): Describe the per-session emulation of PRIMARY.
lisp/simple.el (select-active-regions): Doc fix.
src/xdisp.c (Fformat_mode_line): Doc fix: no need to state that only
the basic faces are supported.
doc/lispref/modes.texi (Emulating Mode Line): Fix last change.
etc/NEWS: Remove the entry about format-mode-line accepting only
basic faces.
(isearch-lazy-highlight-new-loop): Compare `isearch-error' and
`isearch-lazy-highlight-error'. Set `isearch-lazy-highlight-error'
to the current value of `isearch-error' (Bug#7468).
doc/lispref/modes.texi (Emulating Mode Line): Update documentation of
format-mode-line according to changes that fixed bug #7587.
etc/NEWS: Mention the incompatible change in format-mode-line wrt its
FACE argument.
processes.texi (Shell Arguments):
strings.texi (Creating Strings): Don't mention "shell commands";
make it explicit that `split-string-and-unquote' and
`combine-and-quote-strings' are mainly for working with arguments
to call-process and start-process.
w32fns.c (Fx_show_tip): Call try_window with last argument
TRY_WINDOW_IGNORE_FONTS_CHANGE. Delete the TODO ifdef: problem
solved. Round up the tip height to an integral multiple of the
frame's line height. Add FRAME_COLUMN_WIDTH to the tip width.
xdisp.c (string_pos_nchars_ahead, c_string_pos)
(face_before_or_after_it_pos, next_element_from_string)
(next_element_from_c_string, produce_stretch_glyph): Remove unused
calculations of maximum string length before calling
string_char_and_length and STRING_CHAR_AND_LENGTH.
(string_char_and_length): Update commentary: MAXLEN is no longer
needed.
* keyboard.c (kbd_buffer_get_event): Construct SAVE_SESSION_EVENT
as (Qsave_session arg).
* xsmfns.c (smc_interact_CB): Set arg to Qnil.
(smc_die_CB): Make an event with arg Qt.
(Fhandle_save_session): If event has Qt as argument,
call Fkill_emacs.
