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-rw-r--r--Documentation/git-for-each-ref.txt5
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt
index 2ea71c5..e6ce8af 100644
--- a/Documentation/git-for-each-ref.txt
+++ b/Documentation/git-for-each-ref.txt
@@ -230,7 +230,10 @@ These are intended for working on a mix of annotated and lightweight tags.
Fields that have name-email-date tuple as its value (`author`,
`committer`, and `tagger`) can be suffixed with `name`, `email`,
-and `date` to extract the named component.
+and `date` to extract the named component. For email fields (`authoremail`,
+`committeremail` and `taggeremail`), `:trim` can be appended to get the email
+without angle brackets, and `:localpart` to get the part before the `@` symbol
+out of the trimmed email.
The message in a commit or a tag object is `contents`, from which
`contents:<part>` can be used to extract various parts out of: