changed API for GetColorizedLineFunc: offset passed by address,
updated to start of next line
added check_readonly(EditState *s)
added tentative code for unregistring bindings, cycling modes and charsets
experiment alternate method for region highlighting:
added EditState.region_style and EditState.curline_style
added QEmacsState.hilite_region
added DisplayState.style
added clear_color to reset style bits in unicode array
display_char_bidir takes style from DisplayState, code point is bare.
fixed problem in text_display where line_num was not computed in shell mode
handle region coloring in text_display (tentative)
display line numbers and hex dump offsets as QE_STYLE_COMMENT
display hex dump as QE_STYLE_FUNCTION
renamed canonize to canonicalize
added crude support for ~user -> /home/user
added win32 specific stuff in basename
added C-/ as an alias for C-_
some cosmetics, moved code
create files with mode 0644 in raw_save_buffer
untabified, removed redundant spaces
modified code generators to the same effect
added Makefile mode: makemode.c
added HTML source mode: htmlsrc.c
added more dependencies in Makefile
added styles for HTML source coloring:
html-comment, html-string, html-script, html-entity, html-tag
no longer rely on \n at end of line in c_colorize_line
