[AUCTeX] Horizontal Split causes error

[Martin Görg]

Hi there,

I have a problem setting 'reftex-toc-split-windows-horizontally' to non-
nil. I discovered the function a few days ago and used it happily. Then 
suddenly -- I forgot what I was doing exactly -- the functionality 
stopped working. I can set the variable to 't' and open the toc using 'C-
c =' but when I hit 'Return' on a toc entry I get the following error in 
a horizontal split window:

Debugger entered--Lisp error: (error "No other window to side of this 
one")
  enlarge-window(0 t)
  enlarge-window-horizontally(0)
  reftex-re-enlarge()
  reftex-toc-visit-location(hide)
  reftex-toc-goto-line-and-hide()
  call-interactively(reftex-toc-goto-line-and-hide)

Do you have any idea what the cause is? Tell me what other data you need 
and I'll be happy to provide it.

Thanks in advance for any ideas,

Martin


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