diff: allow lowercase letter to specify what change class to exclude

diff --git a/Documentation/technical/api-directory-listing.txt b/Documentation/technical/api-directory-listing.txt
index fa9c8ae4618e9eb5c44ddc3f15443e10aa6bdd3e..1f349b28ae175327706fa67a3e0b09f1a26a9c02 100644 (file)
--- a/Documentation/technical/api-directory-listing.txt
+++ b/Documentation/technical/api-directory-listing.txt
@@ -39,7 +39,7 @@ The notable options are:
 
 `DIR_NO_GITLINKS`:::
 
-       If set, recurse into a directory that looks like a git
+       If set, recurse into a directory that looks like a Git
        directory.  Otherwise it is shown as a directory.
 
 The result of the enumeration is left in these fields:
@@ -81,4 +81,6 @@ marked. If you to exclude files, make sure you have loaded index first.
 
 * Use `dir.entries[]`.
 
+* Call `clear_directory()` when none of the contained elements are no longer in use.
+
 (JC)