An upstream patch to the source package sugar-toolkit-gtk3 is available to help with this bug:
https://github.com/sugarlabs/sugar-toolkit-gtk3/commit/e8553c13a11e53ea78928ac4ab547b460eb22de5 -- James Cameron http://quozl.linux.org.au/ -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org