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In dot point 3, for "chrome" put instead: "content".
The properties -moz-border-radius-topright and -moz-border-radius-bottomleft (in columns 2 and 3) should be inserted in the first column underneath the property -moz-border-radius-topleft.
Similarly, in row 4, -moz-border-top-colors and -moz-border-left-colors should be inserted in column 1 underneath -moz-border-bottom-colors.
The third argument to open(), which controls the synchronous or asyncronous behaviour of the method is stated in reverse. The default is true, meaning asynchronous behaviour.
In Listing 7.2 req.open() should have an explicit false argument; in Listing 7.3, req.open() should have no third argument (or it should explicitly be set to true). The comment in Listing 7.3 is also incorrectly reversed. See also the nsIXMLHttpRequest.idl file in the downloadable support files for more discussion.
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