Add link to emacs-mac-port source code

Hopefully this will make it clear that emacs-mac does something special to get ligatures working with the composition-function-table method ; and it serves as an entry point for people who want to get into this kind of detail
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Gerry Agbobada 2020-05-08 11:18:26 +02:00 committed by GitHub
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@ -86,7 +86,7 @@ emacs, this is implemented in two different ways :
automatically depending on the capabilities of the font, and no font-specific
configuration is necessary.
Emacs-mac port implements the /composition-function-table/ method in its code,
Emacs-mac port implements the /composition-function-table/ method in [[https://bitbucket.org/mituharu/emacs-mac/src/26c8fd9920db9d34ae8f78bceaec714230824dac/lisp/term/mac-win.el?at=master#lines-345:805][its code]],
nothing is necessary on Doom side; otherwise, Doom implements the
/composition-function-table/ for emacs 28+ built with Harfbuzz support, and the
/prettify-symbols-mode/ method otherwise.