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; Fix last change.
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@ -591,9 +591,9 @@ are debugging did not (yet) happen. Here are some useful techniques for that:
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overlay string, it pushes on the iterator stack the state variables
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describing its iteration of buffer text, then reinitializes the iterator
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object for processing the property or overlay. The it->sp ("stack
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pointer") member, if it is greater than zero, means the iterators stack was
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pushed at least once. You can therefore condition your breakpoints on the
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value of it->sp being positive or being of a certain positive value, to
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pointer") member, if it is greater than zero, means the iterator's stack
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was pushed at least once. You can therefore condition your breakpoints on
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the value of it->sp being positive or being of a certain positive value, to
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debug display problems that happen only with display properties or
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overlays.
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