Problem: highlight_treesitter only iterated captures from the base language tree (trees[1]:root()). When code contained injected languages (e.g. VimL inside vim.cmd()), those captures were never read, so injected code got no syntax highlighting in diffs. Solution: pass true to parse() to trigger injection discovery, then use parser_obj:for_each_tree() to iterate all trees including injected ones. Each tree gets its own highlights query looked up by ltree:lang(), and @spell/@nospell captures are filtered out. |
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