[LyX/master] use package parskip to separate paragraphs with vertical space (#4796)

[Richard Kimberly Heck]

On 6/28/20 12:50 PM, Jürgen Spitzmüller wrote:
> Am Sonntag, den 28.06.2020, 12:36 -0400 schrieb Richard Kimberly Heck:
>> If I'm reading this right, it just silently fails if parskip is not
>> installed. Or am I missing something?
> Yes, right (it does not fail, it just does not separate paragraphs).
> But we can really assume parskip to be installed. It's a pretty
> standard package.

OK.

Riki