attribute mechanism, via `.gitattributes`). The following built in
patterns are available:
+- `ada` suitable for source code in the Ada language.
+
- `bibtex` suitable for files with BibTeX coded references.
- `cpp` suitable for source code in the C and C++ languages.
macro attribute "binary" is equivalent to:
------------
-[attr]binary -diff -text
+[attr]binary -diff -merge -text
------------