[PATCH] More missing terms in glossary.txt

Describe a DAG and octopus, and change wording of tree object.

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/Documentation/glossary.txt b/Documentation/glossary.txt
index 7456cff..a069b7b 100644 (file)
--- a/Documentation/glossary.txt
+++ b/Documentation/glossary.txt
@@ -27,14 +27,20 @@ blob object::
 
 tree object::
        An object containing a list of file names and modes along with refs
-       to the associated blob and/or tree objects. A tree object is
-       equivalent to a directory.
+       to the associated blob and/or tree objects. A tree is equivalent
+       to a directory.
 
 tree::
        Either a working tree, or a tree object together with the
        dependent blob and tree objects (i.e. a stored representation
        of a working tree).
 
+DAG::
+       Directed acyclic graph. The commit objects form a directed acyclic
+       graph, because they have parents (directed), and the graph of commit
+       objects is acyclic (there is no chain which begins and ends with the
+       same object).
+
 index::
        A collection of files with stat information, whose contents are
        stored as objects. The cache is a stored version of your working
@@ -142,6 +148,10 @@ merge::
        merge uses heuristics to accomplish that. Evidently, an automatic
        merge can fail.
 
+octopus::
+       To merge more than two branches. Also denotes an intelligent
+       predator.
+
 resolve::
        The action of fixing up manually what a failed automatic merge
        left behind.