glossary: clarify description of HEAD

HEAD on a branch does reference a commit via the branch ref it refers to.
The main difference of a detached HEAD is that it _directly_ refers to
a commit.  Clarify this.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2011-06-23 09:48:49 -07:00
parent deaef1e947
commit 67393c5dc9

View File

@ -170,8 +170,8 @@ to point at the new commit.
working tree>> is normally derived from the state of the tree
referred to by HEAD. HEAD is a reference to one of the
<<def_head,heads>> in your repository, except when using a
<<def_detached_HEAD,detached HEAD>>, in which case it may
reference an arbitrary commit.
<<def_detached_HEAD,detached HEAD>>, in which case it directly
references an arbitrary commit.
[[def_head_ref]]head ref::
A synonym for <<def_head,head>>.