XML attribute types

From WoWWiki

Types of attributes used in XML UI. Note that, in accordance with XML formatting rules, all parameters, regardless of their type, must be enclosed in double quotes.

• string - any string; "blah", "foo", "whatever"
• boolean - "true" or "false"
• int - an integer number; "0", "1", "-5"
• float - a floating-point number; "0", "0.2", "1.0", "-1.23456789"