Problem: Add spaces: WhatIsawfrommaybe50ftawaywas,somethinghoveringjustoverthetreeline.

Spaces added: What I saw from maybe 50ft away was, something hovering just over the treeline.

Problem: Add spaces: Theprogramrepresentsthemelodyinastructurethatisanaloguetothestructureofcommonspeech.

Spaces added: The program represents the melody in a structure that is analogue to the structure of common speech.

Problem: Add spaces: granny,danish,Russian,oldandyoung(18+)

Spaces added: granny, danish, Russian, old and young (18+)

Problem: Add spaces: dstmask-Destinationaddressmaskoraprefixof1through32.

Spaces added:
dstmask -Destination address mask or a prefix of 1 through 32.