Adding a test file to the testsuite
Adding the implementation of GKeyValue
Work on the implementation and documentation of GtkPaperSize
Adding the implementation of cairo-device-t
Work on the implemenation of Cairo functions
Adding tests for GtkPrintSettings
Implementing gtk-style-context-add-provider-for-screen
Correcting a typo
Work on the demo for drag and drop
Work on the implementation of GTk+
Correcting a typo