[help-gengetopt] hidden section

[Papp Gyozo (VBuster)]

Hi,

I've found myself in a funny situation, after hide all rarely used options one 
of the sections contains no more option by default only in case of --full-help. 
I'd like to ask to be able to control it somehow. Either the actual section 
will be omitted automagically if all options are hidden, or probably the 
intended way is to be able to specify hidden flag for sections as well.