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/*!
# `ON expression <GOTO|GOSUB> line[,line]`
## Purpose
Branches to a line based on the value of expression.
## Remarks
The value 1 goes to the first line, 2 the second, etc.
Values of 0 or greater than the number of lines do not branch.
Values < 0 cause an `ILLEGAL FUNCTION CALL` error.
## Example
```text
```
*/