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[email protected] quadracycle4000@gmail.com is offline
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Default On-Off-On vs. On-None-On .

[mom] is momentary. it returns to [off] once you let go.
on-off can be make-before-break, which is sometimes super useful, sometimes super sketchy.
on-none-on clarifies that the switch is definitely break-before-make.
It only has two positions.
on-off-on is as previously mentioned.
not sure myself about the use of brackets;
eg off-(on) versus off-on
Methinks it could be [mom] notation