When Pathagoras assembles a document using 'paragraph assembly,' it will (by default) insure that a paragraph marker is inserted after each requested clause. This model of assembly is called 'stacked'. Each new clause is inserted below the previous one in a 'stacked' fashion.

   Perhaps the assembly project is not of paragraphs, but rather of sentences or single words, and the author intends for no paragraph markers to separate the terms:

You can select/change the insertion method by selecting the appropriate option at the right side of the Clause Selection Screen: