Updated: mintty 3.7.8

[Thomas Wolff]

I have uploaded mintty 3.7.8 with the following changes:

Terminal features
   * SUB and CAN controls terminate ESC sequences and are displayed
(DEC, xterm 397).
   * LAM/ALEF single-cell joining mode (DECSET 2521).
   * Arabic joining considers ZWJ and ZWNJ formatters.
   * Fix graphics (image/sixel) and emoji display to adapt to horizontal
scrolling.
   * Fix mouse position click coordinates to adapt to horizontal scrolling.
   * Fix reflow to avoid vanishing graphics on terminal resizing.
   * Changed image size limit from 1MB to configurable value, default > 4MB.

Character rendering
   * Fix overhang rendering for some characters, clipped in 3.7.7 (#1304).
   * Optional single-cell rendering of Arabic LAM/ALEF ligatures.
   * Revise background clearing to catch border cases (#1310).
   * Option to center position of smaller glyphs in CJK ranges (#1313).

Keyboard handling
   * Enforce Ctrl as held down (except with AltGr) (~#1266, ~#1273).

Window handling
   * Fix frame adjustment when disabling darkmode.
   * Display hair cross mouse pointer in pixel-grained mouse reporting
modes.

Font configuration:
   * Handle font metrics errors (#1309).

Configuration:
   * New option ThemeDark to be used if Windows Darkmode is set (#1305,
~#1303).
   * New glyph centering prefix ">" for option FontChoice (#1313).
   * Propagate TERM config setting to WSL HOSTTERM variable
(mintty/wsltty#290, ~mintty/wsltty#278).
   * New option PixMousePointer.
   * New option MaxImageSize.

The homepage is at http://mintty.github.io/
It also links to the issue tracker.

------
Thomas