bpo-42084: Language aware diff headers (GH-22776)
diff --git a/.gitattributes b/.gitattributes
index 598d8f0..3827d09 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -57,3 +57,13 @@
Include/token.h linguist-generated=true
Lib/token.py linguist-generated=true
Parser/token.c linguist-generated=true
+
+# Language aware diff headers
+# https://tekin.co.uk/2020/10/better-git-diff-output-for-ruby-python-elixir-and-more
+# https://gist.github.com/tekin/12500956bd56784728e490d8cef9cb81
+*.c diff=cpp
+*.h diff=cpp
+*.css diff=css
+*.html diff=html
+*.py diff=python
+*.md diff=markdown