Exemplo de .gitattributes para informar ao Git quais arquivos possuem o padrão de linguagem xBase
*.apl linguist-language=xBase
*.apw linguist-language=xBase
*.ch linguist-language=xBase
*.th linguist-language=xBase
*.prg linguist-language=xBase
*.prx linguist-language=xBase
*.prw linguist-language=xBase
*.tlpp linguist-language=xBase