[OS X TeX] Odd artefacts in TeXShop Preview after compiling

William Slough wslough at gmail.com
Sun Nov 2 23:33:58 CET 2014

This happens to me too, with some regularity --- but with no
predictability.  For me, it happens with my previewer of choice, Skim.
I am currently on Mavericks (10.9.5) and I see this with both a MBP
and a slightly older iMac, both of which have non-Retina displays.
This never happened to me prior to moving to Mavericks, in over six
years of use.

Circumstantial evidence points to Mavericks as the source of this
problem.  Someone else on this list suggested that I upgrade to
Yosemite, but that is not an option for me at this point in time,
since I am in an academic environment and we cannot turn on a dime for
technology updates.  Fortunately, this is a mild annoyance, as
scrolling the PDF up or down or zooming in/out appears to make the
artifacts disappear.

Your attached image is very similar to the ones I see:  it seems to
affect just one line and that line has a number of small dots mixed in
with the text.

Bill Slough
Charleston, IL

On Sun, Nov 2, 2014 at 2:49 PM, Alan Litchfield <alan at alphabyte.co.nz> wrote:
> Hi,
> Sometimes, I get odd little artefacts in the TeXShop preview as in the
> attached screen dump.
> OS X 10.9.5
> TeXShop version 3.44
> Moving the preview does nothing to change the position or remove the
> artefacts, nor does rerunning Cmd-Shift-L, unless a change is made so that
> the line of text is completed up or down. Then they disappear.
> Putting the line back again does not bring the artefacts back. They do not
> print.
> Not really a problem but resolving it might stop smear marks from appearing
> on my screen before I realise the artefacts are not dust.
> Regards
> Alan
> --
> Dr Alan Litchfield
> AlphaByte
> PO Box 1941
> Auckland, New Zealand 1140
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