Re: set-window-start in Elisp manual

[martin rudalics]

> When I try this (in GNU Emacs 23.0.50.2 (i686-pc-linux-gnu, GTK+ Version
> 2.12.0) of 2008-01-16 on escher, also with -Q), the sexp does eval to 2,
> but window-start and point remain at 1, and the buffer display does not
> change.  Is the example wrong, or is there a bug in set-window-start, or
> am I misunderstanding the example?  (If the latter, then I also do not
> understand how set-window-start is supposed to work, so in that case I
> would appreciate clarification.)

FWIW this used to work in Emacs 20 but was already broken in Emacs 21.
We would have to find out why and where `window-start' gets reset to 1.