Your assumption is correct. The blog post links to an issue in which an official statement (and a graph) can be found: https://github.com/github/linguist/issue

Your assumption is correct. The blog post links to an issue in which an official statement (and a graph) can be found: https://github.com/github/linguist/issues/1717#issuecomment-63681177 https://github.com/github/linguist/issues/1717#issuecomment-... >By using TextMate grammars we also get some nice features like highlighting SQL inside Ruby heredocs. But the main motivation was improving performance.