Documentation: make it easier to maintain enumerated documents
Documentation: make it easier to maintain enumerated documents

Instead of starting an enumeration of documents with a DOC = doc1
followed by DOC += doc2, DOC += doc3, ..., empty it with "DOC =" at
the beginning and consistently add them with "DOC += ...".

Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git