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clarify exponential notation and add canonical JSON note

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Kierre 2026-01-28 12:05:35 -05:00
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content/rooms/fragments/v1-floaty-power-levels.md
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@ -32,3 +32,9 @@ For example, this is a valid `m.room.power_levels` event in this room version:
In this example, both `@bob:localhost` and `@alice:localhost` have the same effective In this example, both `@bob:localhost` and `@alice:localhost` have the same effective
power level of `50`, even though the values are technically different. power level of `50`, even though the values are technically different.
When a float written in exponential notation is unpacked, the decimal portion is removed
afterward; for example, `5.114698E4` becomes `51146.98`, which is then truncated to `51146`.
Note that, since this room version does not enforce that events comply with the requirements
of [Canonical JSON](/appendices#canonical-json), power levels can be formatted as floats.