xfixes: Rename enum DirectionMask to BarrierDirec.

[free-sw/xcb/proto] / doc / xml-xcb.txt

diff --git a/doc/xml-xcb.txt b/doc/xml-xcb.txt
index 3c6a155..cf6d14e 100644 (file)
--- a/doc/xml-xcb.txt
+++ b/doc/xml-xcb.txt
@@ -229,13 +229,18 @@ enum; the value is restricted to one of the constants named in the enum.
   <switch> instead for new protocol definitions.
 
 <switch name="identifier"> switch expression
-    <bitcase> bitcase expression, fields </bitcase> </switch>
+    <bitcase> bitcase expression(s), fields </bitcase> </switch>
 
   This element represents conditional inclusion of fields. It can be viewed
   as sequence of multiple ifs: if ( switch expression & bitcase expression )
-  is equal to bitcase expression, bitcase fields are included in structure.
-  It can be used only as the last field of structure. New protocol definitions
-  should prefer to use this instead of <valueparam>.
+  is non-zero, bitcase fields are included in structure.  It can be used only
+  as the last field of a structure.
+
+  When a bitcase includes multiple <enumref> clauses, the contents of the
+  bitcase are only present once regardless of the number of bitcase expressions
+  that match.
+
+  New protocol definitions should prefer to use this instead of <valueparam>.
 
 Expressions
 -----------
@@ -284,3 +289,38 @@ Expressions
 
   This element represents the number of bits set in the expression.
 
+Documentation
+-------------
+
+  Documentation for each request, reply or event is stored in the appropriate
+  element using a <doc> element. The <doc> element can contain the following
+  elements:
+
+<brief>brief description</brief>
+
+  A short description of the request, reply or event. For example "makes a
+  window visible" for MapWindow. This will end up in the manpage NAME section
+  and in the doxygen @brief description.
+
+<description><![CDATA[longer description]]></description>
+
+  The full description. Use `` to highlight words, such as "Draws
+  `points_len`-1 lines between each pair of points…"
+
+<example><![CDATA[example code]]</description>
+
+  Example C code illustrating the usage of the particular request, reply or
+  event.
+
+<field name="name">field description</field>
+
+  The full description for the specified field. Depending on the context, this
+  is either a request parameter or a reply/event datastructure field.
+
+<error type="type">error description</field>
+
+  The full description for an error which can occur due to this request.
+
+<see type="request" name="name" />
+
+  A reference to another relevant program, function, request or event.