K 10
svn:author
V 3
imp
K 8
svn:date
V 27
2019-04-13T04:46:35.742638Z
K 7
svn:log
V 176
Fix sbttons for values > 2s

Add test against negative times. Add code to cope with larger values
properly.

Discussed with: bde@ (quite some time ago, for an earlier version)

END