* lisp/emacs-lisp/tabulated-list.el: Don't error on nil header-string
commita96731d7f0f0616e500583a1d3eaa912a7f0ec16
authorArtur Malabarba <bruce.connor.am@gmail.com>
Sat, 16 May 2015 08:52:53 +0000 (16 09:52 +0100)
committerArtur Malabarba <bruce.connor.am@gmail.com>
Sat, 16 May 2015 08:52:53 +0000 (16 09:52 +0100)
tree0e7f01ca4de0b3eb0cf9d4668cbb5f28d504a25a
parente85053f8fecd2124450a4e27d629cf87cf508319
* lisp/emacs-lisp/tabulated-list.el: Don't error on nil header-string

(tabulated-list-init-header): Document new behavior.
(tabulated-list-print-fake-header): No nothing if
`tabulated-list--header-string' is nil.
(tabulated-list--header-string): Add a docstring.

* doc/lispref/modes.texi (Tabulated List Mode): Document it.
* etc/NEWS: Document it.
doc/lispref/modes.texi
etc/NEWS
lisp/emacs-lisp/tabulated-list.el