gui problem with entry edit

I was wondering if anyone has seen this problem I have noticed...

When editing a certain entry, the dialog box pops up, but then it
seems to continually try to redraw where the fields go... its "shakes"
around, forever...

It is hard to describe, but is as if it can't quite decide how to
format the window.  Only seems to happen to a certain entry, although
I think this happened to me before, but then went away?

I looked for any mention of this problem in the usual places (bugs,
faq, archives) but didn't see anything.

Using pybliographer/pybliographic version 1.2.3 installed via the
debian package.

There are no errors in the terminal when this happens...

The entry which has problems is:

@Article{Zhang1999,
  Author         = {{Yong Zhang} and {A. Mascarenhas} and {H. P. Xin}
  and
                   {C. W. Tu}},
  Title          = {Formation of an impurity band and its quantum
                   confinement in heavily doped {G}a{A}s{N}},
  Journal        = {PHYSICAL REVIEW B},
  Volume         = {61},
  Pages          = {7479},
  Abstract       = {Quantum confinement in GaAs1-xNx/GaAs quantum
  wells
                   (0.009,x,0.045) is studied using electroreflectance
                   measurements. Formation of an impurity band due to
                   heavy nitrogen doping and the quantum confinement
		   of an
                   electron belonging to such an impurity band have
		   been
                   demonstrated. The formation of an impurity band
		   results
                   in an unusual variation in the electron effective
		   mass
                   with nitrogen doping.},
  URL            =
  {file:///home/swebster/papers/PRB/PRB-Zhang-v61p7479.pdf},
  Keywords       = {GaNAs clusters N nitrogen electroreflectance},
  month          = {29 } # dec,
  year           = 1999
}


If anyone has any advice or can point me in the right direction it
would be much appreciated!

Thanks,

Scott Webster


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