... PEARpackage. In the ppaacckkaaggee xxmmllfile, they are identified byfour pieces of information: their handle, their name,their email address, and their role in the package. As aresult, the aaddddMMaaiinnttaaiinneerr(())method ... false, 2); 66 $mainHBox->pack_start($rightVBox, false, false, 0); 67 68 // The subHBox holds the button. 69 $subHBox->pack_end($button, false, false, 0); 7071 // The label and the two ... To make sure that only the list values areused, therefore, we need to prevent the user from edit-ing the text in the entry area. This is done the same wayas we did for the warnings area, with...