Highlight Translation Marker

[brainwo]

A translation marker is a keyword that identify a language for the translation. Located on start of a translation line. Use three letters keyword from ISO 639-3. There can only be one marker at a given line.

vim-kara/syntax/kara.vim

Lines 15 to 18 in 8ed50bb

	" TODO: color translation marker
	" どうして不安なの
	" eng Why am I feeling anxious?
	" ^------- marker

This design is not yet final.