To modify the main function tabs, edit the appropriate files as follows:
For text of the default folder name labels (including the initially displayed Inbox tab label), edit the fldr values in the // Localized folder names section in the lang/i18n.js file.
Functionally, the tabs are constructed by the toolFrame() function. The toolFrame() function calls the tab()function in the main.js file and specifies the text of the tab label to be displayed.
The following functions, located in main.js, handle the default tabs: