- Update to 1.8.0:
  * Added basic support for the Kitty and iTerm2 graphics protocols.
    These are enabled automatically when corresponding terminal support
    is detected, or manually with -f kitty or -f iterm.
  * Implemented an 8-color mode, selectable with -c 8
  * Implemented a foreground-only switch, --fg-only. This produces
    character art using foreground colors only, and will avoid
    modifying or resetting the background color. Looks best with
    non-contiguous symbols (e.g. ascii).
  * Added builtins for Japanese kana fullwidth symbols. These can
    now be used without loading any external fonts (try -c none --symbols wide).
  * Added builtins for legacy computer symbols (mainly wedges and
    sextant blocks). These were widely used in PETSCII and Teletext,
    and can be enabled using --symbols or --fill with their respective
    tags: legacy, wedge and sextant (@hodefoting).
  * Since there is a growing number of builtin symbols that may not
    be available everywhere, the default selection has been restricted
    to the widely supported block and border sets.
  * If possible, we now select a visually blank character from the
    specified symbol/fill sets instead of hardcoding ASCII space for
    featureless cells. One practical upshot of this is that the constant-width
    braille range can be used to produce consistent images even in contexts
    with variable-width fonts. U+2800 (BRAILLE PATTERN BLANK) will then be used in blank cells.
  * Improved terminal size detection when used with pipelines and redirection.
    This should now produce an image properly sized for your terminal:
    curl https://i.imgur.com/WFDEFVg.jpeg | chafa - | tee out
  * ChafaCanvas gained API functions for programmatically getting and
    setting character cell contents. These are used in a new example
    in tests/ncurses.c demonstrating ncurses integration.
  * Made --disable-rpath the default in order to simplify packaging.

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