Menu issue

[Tommaso Cucinotta]

From #7592: the "Insert->Regular Expression->..." submenu appears when 
you show the Advanced F&R dialog (and focus the Find WA), but it seems 
to disappear as soon as you enter math mode.

What may be wrong ? This is the platform:
  LyX 2.0.0
  Mac OS X 10.6.7
  QT: qt4-mac @4.5.3_0+darwin_10 (I think ;-))

But I don't have such a problem on Linux.

Thx,

    T.