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Remove single-line breaks only in document

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# 1  
Old 04-03-2018
Remove single-line breaks only in document
Regarding copy/pasted text of copyright-free book from archive.org (link below), in attempt to expand single-line-break paragraph text (not section headings or paragraph breaks) to wider right margin, Justify or Wrap in LIbreOffice is not working, and Find/Replace the paragraph mark ($) wraps all the lines. I can't see a way to differentiate for just the single-break lines.So, please suggest a sed / awk command. Thanks.

Full text of "Hunting and Trapping on the Upper Magalloway River and Parmachenee Lake: First Winter in the ..."
pre.cjk { font-family: "Nimbus Mono L", monospace; }p { margin-bottom: 0.1in; line-height: 120%; }a:link { }
# 2  
Old 04-03-2018
How far would
Code:
awk '$1=$1' RS= ORS="\n\n" file

get you?
This User Gave Thanks to RudiC For This Post:
p1ne
# 3  
Old 04-03-2018
Thanks, gets me all the way! Have a great day.
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