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Re: Negative page numbers

From: Thomas Morley
Subject: Re: Negative page numbers
Date: Sun, 16 Sep 2018 22:13:05 +0200

2018-09-16 21:28 GMT+02:00 Dan Eble <address@hidden>:
>> Real
>> Page_breaking::page_height (int page_num, bool last) const
>> {
>>   // The caches allow us to store the page heights for any
>>   // non-negative page numbers.  We use a negative value in the
>>   // cache to signal that that position has not yet been initialized.
>>   // This means that we won't cache properly if page_num is negative or
>>   // if calc_height returns a negative number.  But that's likely to
>>   // be rare, so it shouldn't affect performance.
> This comment seems to imply that there are legitimate uses for negative page 
> numbers.  Is anyone willing to agree that I am interpreting it correctly?
> Thanks,
> Dan

The only problem with negative page numbers was cured with

Not sure whether it's related


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