File

util.stanza: Add add_error() to simplify adding error tags to existing stanzas Some fiddling is required now in error_reply() to ensure the cursor is in the same place as before this change (a lot of code apparently uses that feature).

local record lib
	getstring : function (string, string) : string
	getstyle : function (...:string) : string
	setstyle : function (string) : string
	tohtml :  function (string) : string
end
return lib