# [OS X TeX] wierd rule behavior

Herbert Schulz herbs at wideopenwest.com
Tue Oct 7 12:35:30 EDT 2008

On Oct 7, 2008, at 11:05 AM, Joel Anderson wrote:

>
> Dear TeX Experts,
>
> Just recently (less than a week ago) I started to have problems
> printing horizontal lines in tex files.
> I prepared a quiz for my math class with a line for the student's
> name and also containing
> some square roots.  The line for the name didn't appear on the pdf
> file on the screen, but the horizontal
> bars on top of the square roots did.  When I printed the pdf file,
> the line for the name didn't
> appear and one of the square roots was missing the line on top.
> The other 2 square roots
> printed fine.
>
> I made a test file as follows.
>
>
> \documentclass[12pt]{article}
>
> \usepackage{amsmath,amsthm,amsfonts,latexsym,amscd}
>
>
> \pagestyle{empty}
> \begin{document}
>
> \vrule height.1pt width 2in
>
>
> $\sqrt{2}$
>
> $\frac{\sqrt{2}}{2}$
>
> $> \sqrt{2} \quad \frac{\sqrt{2}}{2} >$
>
> \end{document}
>
> This prints all square roots and the \vrule line fine.  If I comment
> out the displayed square roots at the end,
> the \vrule prints, but the tops of all square roots disappear.
>
> I am running TeXShop 2.18-svn with Mac OS X version 10.5.5 on a
> Power Mac G5. I notice that Richard Koch
> has announced that a new version of I-installer is available.  But
> He didn't provide a link to where I could
> find it.  I wonder why?
>
>
> Joel Anderson
>

Howdy,

If I'm interpreting you correctly (I commented out all three lines of
the complete displayed equation'') I don't think I'm seeing ay
problem.

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Good Luck,

Herb Schulz
(herbs at wideopenwest dot com)