pTAL Conversion Guide

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pTAL Conversion Guide527302-002
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Syntax Diagram Conventions
Some examples of the meanings of simple diagrams are:
Diagram Piece Meaning
Choose item1 or item2.
Choose item1, item2, or neither.
Specify item one or more times, separating occurrences
with commas.
Specify item at most n times.
Note. To refer to a particular railroad diagram or figure when giving feedback to HP, use the
number at the bottom right corner of that railroad diagram or figure (for example, VST742.vsd).
VST407.vsd
item2
item1
VST408.vsd
item1
item2
item
,
VST409.vsd
item
n
VST742.vsd