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STP function change can lead to unexpected results

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PxPlus:
The STP function can now accept string strip types operators.

The problem can be seen on a line entered as:

    R$=STP(R$,$0A$)

The system syntax checks accepts the line however during execution it failed with an error 26.

At issue is that the STP function accepts a string strip type ("L", "R", "C", "A", or "B") and as such the syntax of a STP function can be

    STP (String$, String$)

However you will get a run-time error if the second string is not one of the possible stripping forms.

This can prove difficult to detect and debug due to the fact that forgetting to include a strip type value would be a common typing mistake.

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