.gitattributes: the diff hunks and an experiment on linguist-detectable

Maybe I don't actually need to keep repeating eol=lf?

.gitattributes

@@ -5,6 +5,12 @@
 # Line normalisation, GitHub language detection
 * text=auto eol=lf linguist-detectable
 
+# Integrated diff hunks, also an experiment will these remove linguist-detectable?
+*.css	text diff=css eol=lf
+*.html	text diff=html eol=lf
+*.{md,markdown}	text diff=markdown eol=lf
+*.php	text diff=php eol=lf
+
 # These don't feel like mine
 .github/** text=auto -linguist-detectable
 css/** text=auto -linguist-detectable