[Octave-bug-tracker] [bug #52773] PDF user manual breaks up index entries for graphics properties in strange way

[Dan Sebald]

Follow-up Comment #3, bug #52773 (project octave):

It's very likely that your build of octave.pdf has a different layout for
pages, i.e., the fonts, etc. all affect the amount of words on a page.  In
that case you may not be seeing the same problem because the "figure ..."
doesn't span down a whole column.

I've installed okular here and that doesn't find "figure deletefcn" or "axes
deletefcn" for me either.  It's in the PDF file itself.  (BTW, okular's search
algorithm is rather slow compared to xpdf and xreader.)

The best I can describe this is that it's something similar to how an HTML
viewer works (like Firefox or whatever).  So often one tries to mouse-select a
sentence on the page for copy/paste but upon selecting that sentence there is
all of the text down/up/across the whole next column.  That happens because
internally the HTML code may be contiguous in one way but once decoded in a
graphical form its layout might no longer be contiguous.  It happens a lot
when there are sidebars for adverts and such.

So, what I showed in the screen shot is a mouse-select where I try to select
"figure deletefcn" but then it selects the bottom half of the first column and
top half of the second column.  (BTW, xreader seems to be the only viewer of
the three that has this mouse-select capability...which I'm pretty sure is
something that acroread has as well.)

Let's close this report.  What I described is too arcane to find anything
related in a web search.  I've done a bit of searching and read dvipdf man
page.  Nothing seems to ring a bell.

I've actually done a little bit of coding with PostScript and my recollection
is that there is a means to define some object (text or image) and repeatedly
place it on the page, and this is something commonly done because the original
issue with PostScript was bulkiness.

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