Page or text language.
--- a/html.rst Wed May 25 22:08:56 2016 +0300
+++ b/html.rst Fri May 27 11:05:54 2016 +0300
@@ -12,8 +12,8 @@
<!DOCTYPE HTML>
-Page encoding.
-==============
+Page encoding
+=============
Place in HEAD tag (CHARSET is one among of defined by
http://www.iana.org/assignments/character-sets)::
@@ -28,6 +28,25 @@
http://www.w3.org/TR/REC-html40/charset.html#h-5.2.2
+Page or text language
+=====================
+
+Client may suggest preferred language to server via ``Accept-Language`` HTTP
+tag::
+
+ Accept-Language: da, en-gb;q=0.8, en;q=0.7
+
+W3C best practice suggest to surround corresponding text pieces in tag with
+``lang`` attribute. Attribute values are from BCP 47.
+
+http://www.iana.org/assignments/language-subtag-registry/language-subtag-registry
+ IANA registered language and country codes. Coherent with ISO codes but
+ frequently updates.
+http://www.ietf.org/rfc/bcp/bcp47.txt
+ Tags for Identifying Languages (Best Current Practice).
+https://www.w3.org/International/articles/language-tags/
+ Language tags in HTML and XML.
+
Center an object.
=================