Re: Doc: Improve documentation of \glissando. (issue 6529043)

[Benkő Pál]

> This example shows a beam extending from a stem to the
> final note of the glissando.  Is this correct, or would
> it be better to suppress the beam?

I made some Bartók and Xenakis scans, see
https://docs.google.com/folder/d/0B7AjGy5hUKtAeWtkdHdfN0l4bm8/edit
such beams can be seen in 0162.jpeg and 0164.jpeg
(the former has examples for avoiding such stems too, using flags).