convert: release strbuf on error return in filter_buffer_or_fd()

diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt
index cc42c128323d32bd1a9bf47688722321857a5d65..bb370c9c7b91425ad939383d8b28c5fbbb73cbac 100644 (file)
--- a/Documentation/git-for-each-ref.txt
+++ b/Documentation/git-for-each-ref.txt
@@ -38,11 +38,12 @@ OPTIONS
        key.
 
 <format>::
-       A string that interpolates `%(fieldname)` from the
-       object pointed at by a ref being shown.  If `fieldname`
+       A string that interpolates `%(fieldname)` from a ref being shown
+       and the object it points at.  If `fieldname`
        is prefixed with an asterisk (`*`) and the ref points
-       at a tag object, the value for the field in the object
-       tag refers is used.  When unspecified, defaults to
+       at a tag object, use the value for the field in the object
+       which the tag object refers to (instead of the field in the tag object).
+       When unspecified, `<format>` defaults to
        `%(objectname) SPC %(objecttype) TAB %(refname)`.
        It also interpolates `%%` to `%`, and `%xx` where `xx`
        are hex digits interpolates to character with hex code