awk script in show_paragraphs function must not escape '%'

[rcspam]

$  shlorem -s en p 1
awk: cmd. line:1: warning: regexp escape sequence `\%' is not a known regexp operator
Once upon a midnight dreary, while I pondered, weak and weary. Over many a quaint and curious volume of forgotten lore.  While I nodded, nearly napping, suddenly there came a tapping.**Describe the bug**
A clear and concise description of what the bug is.

you have to replace in line 127 ( in show_paragraphs function )

awk '{gsub(/\./,".\n"); gsub(/\%/,",\n"); print;}'`

by

awk '{gsub(/\./,".\n"); gsub(/%/,",\n"); print;}'