5 lines
369 B
Rust
5 lines
369 B
Rust
//! An explicit plane (a mirror's, or any plane reference) can be `placed`: an `origin` of three
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//! length expressions with `x_dir` and `y_dir`, so it follows the design's parameters (#1492). A
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//! plane whose origin is plain numbers is still saved as `custom`. Older designs need no
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//! transformation; 0.13.x asks for an update instead of failing to read the plane.
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