+
Glob magic is incompatible with literal magic.
+attr;;
+After `attr:` comes a space separated list of "attribute
+requirements", all of which must be met in order for the
+path to be considered a match; this is in addition to the
+usual non-magic pathspec pattern matching.
+See linkgit:gitattributes[5].
++
+Each of the attribute requirements for the path takes one of
+these forms:
+
+- "`ATTR`" requires that the attribute `ATTR` be set.
+
+- "`-ATTR`" requires that the attribute `ATTR` be unset.
+
+- "`ATTR=VALUE`" requires that the attribute `ATTR` be
+ set to the string `VALUE`.
+
+- "`!ATTR`" requires that the attribute `ATTR` be
+ unspecified.
++
+
exclude;;
After a path matches any non-exclude pathspec, it will be run
through all exclude pathspec (magic signature: `!` or its