I'm glad to announce that SplineEditor 1.1has been released.
See
https://wiki.tcl-lang.org/page/SplineEditor
for details, links, and the online-demo (thanks to Jeff Smith).
Compared to version 1.0, version 1.1 just added the undo/redo feature, resulting in a big internal redesign.
Now SplineEditor is ready to grow with more interactive features.
ABU
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