> How about a treesitter-based editor extension that converts between begin/end and {/}, as if they were ligatures? Actually this might not even need treesitter

> How about a treesitter-based editor extension that converts between begin/end and {/}, as if they were ligatures? Actually this might not even need treesitter. See emacs prettify-symbols-mode (https://emacs.stackexchange.com/questions/46529/configuring-prettify-symbols-mode https://emacs.stackexchange.com/questions/46529/configuring-...)