Add support for D #856
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This covers the entire corpus of the our source code. A rather incomplete test suite (contributions are welcome!) is provided as well as some initial working queries. D is a very complex language, without a good consistent specification -- much of the work here was arrived at by trial and error, working from the specification, and also validating with actual source code. There are still no doubt some omissions.
This enables special formatting of TODO, etc.
Note that there is still a problem with strings that have embedded comments at the start.
The htmlentity is tokenized now as an escape sequence, and is n longer differentiated from other escape sequences. Update your queries accordingly.
While here add support for escape characters and htmlentities to the base highlights.
This essentially returns the !in and !is handling to the scanner, which is necessary to avoid confusing the parser since these are not "words".
Brings back htmlentity, adds tags queries, a few bugs in the parser for comments. This limits nesting comments to 5 levels deep.
Implement support in difftastic for the D programming language using the treesitter grammar provided in https://github.com/gdamore/tree-sitter-d
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Wilfred
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Apr 20, 2026
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Wilfred
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Thanks for the PR! I'd be up for adding D support, but I'm moving to using crates.io libraries for all the parsers. Could you switch to using https://crates.io/crates/tree-sitter-d instead? It's the same library.
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