bug#12098: How to trap errors in man?

[Juri Linkov]

> `Man-getpage-in-background' use (if (fboundp 'start-process) to check if
> it start an asynchronous process or not.
> Why in Emacs-24 `start-process' would not exists?
> Why instead don't you add an optional arg to `Man-getpage-in-background'
> to make it synchronous?
> It would be instead of (if (fboundp 'start-process):
> (if synchronous start-man-synchronously start-man-async
> This would allow to make an user variable that allow to choose if man is
> async or not.

Yes, this is what is implemented with a new `Man-async'
in another post I just sent.

Do you agree that man should be synchronous by default?