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sub MakePtag{
  my $fixme = shift;           # take in our parameters
...
    grep { /\S/ }              # must have at least one non-whitespace
+ character
    split "\r\n", $fixme;      # break apart on the newlines
}

sub MakePtag { join "\r\n", map {"<p>$_</p>"} grep {/\S/} split "\r\n"
+, $_[0] } # :)

sub MakePtag{
  chomp(my $fixme = shift;)    # take in our parameters
...
  $fixme = "<p>$fixme</p>";    # Add beginning and ending tags
  return $fixme;                
}