Added support for the `:keywords' option of `document' (Lout + HTML).

* NEWS: Mention it.

* doc/user/document.skb: Document it.

* doc/user/user.skb (document): Added keywords.  Slightly modified the
  introduction.

* src/guile/skribilo/engine/html.scm (document): Added `:keywords' to the
  list of supported options.
  (&html-head): Reformatted.
  (&html-meta): New.
  (&html-generic-document): Use it.

* src/guile/skribilo/engine/lout.scm: Document `pdf-keywords' as
  deprecated.
  (lout-pdf-docinfo): Check the `:keywords' option.
  (document): Mention it as supported.

* src/guile/skribilo/skribe/api.scm (document): Added the `keywords'
  option.
  (keyword-list->comma-separated): New (stolen from Lout).

git-archimport-id: lcourtes@laas.fr--2005-libre/skribilo--devo--1.2--patch-20

1 files changed, 4 insertions, 1 deletions

diff --git a/NEWS b/NEWS
index e9b5c33..5ac9227 100644
--- a/NEWS
+++ b/NEWS
@@ -6,4 +6,7 @@ New in Skribilo 1.2 (compared to Skribe 1.2d)
 
   * New markups: `~', `numref', `!lout', `lout-illustration'.
 
-  * Extended markups: `footnote' now takes a `:label' option.
+  * Extended markups:
+
+     - `footnote' now takes a `:label' option.
+     - `document' now takes a `:keywords' option.