merged 2.4 branch into the trunk

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18040 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/menuitem.tex

@@ -36,7 +36,9 @@ Constructs a wxMenuItem object.
 
 \docparam{id}{Identifier for this menu item, or ID\_SEPARATOR to indicate a separator.}
 
-\docparam{text}{Text for the menu item, as shown on the menu.}
+\docparam{text}{Text for the menu item, as shown on the menu. An accelerator
+key can be specified using the ampersand '\&' character. In order to embed an
+ampersand character in the menu item text, the ampersand must be doubled.}
 
 \docparam{helpString}{Optional help string that will be shown on the status bar.}