20181123001820-08bf668

add debug button for example

20181122173000-2a44457

comments

20181121140113-fe8e4e4

Merge ce9c5d16b6617094227303d67613a6c3d744f4a3

20181118115040-a679516

use column:do:

20181117132430-c6e32e7

use columned list for list presentations

20181116143559-c9ed908

refactored file reference presentation

20181114123517-b852827

Merge 9c92038fc1e3e50050e6f5ddad9c14cb4e62e19e

20181114103033-e254f06

make page be proportional by default and when double clicked on the r…

20181113195952-3a34ef4

[extension] add `gtFigureFor:`

20181113002207-2a8f40d

[extension] add `BlGeometry>>gtLiveFor:`