Btukfyl

documentclass{article}

usepackage{xparse}

ExplSyntaxOn

NewDocumentCommand{mypar} {} {tex_par:D}

ExplSyntaxOff



begin{document}

noindenthrulefill

begin{list}{}{

    setlength{leftmargin}{2cm}

    setlength{rightmargin}{2cm}

  }

 item Here's a paragraph with enough text that we can see where the line wraps.



 Here's another paragraph after a traditional paragraph break. This is fine.



 Now we'll end this one with the expl3 version to see what happens next.mypar

 And here's a forth to see where we are. The left and right margins are now disregarded.par



 And they don't come back.

end{list}

end{document}

documentclass{article}

usepackage{xparse}

ExplSyntaxOn

NewDocumentCommand{mypar} {} {tex_par:D}

ExplSyntaxOff



begin{document}

noindenthrulefill

begin{list}{}{

    setlength{leftmargin}{2cm}

    setlength{rightmargin}{2cm}

  }

 item Here's a paragraph with enough text that we can see where the line wraps.



 Here's another paragraph after a traditional paragraph break. This is fine.



 Now we'll end this one with the expl3 version to see what happens next.mypar

 And here's a forth to see where we are. The left and right margins are now disregarded.par



 And they don't come back.

end{list}

end{document}

documentclass{article}

usepackage{xparse}

ExplSyntaxOn

NewDocumentCommand{mypar} {} {tex_par:D}

ExplSyntaxOff



begin{document}

noindenthrulefill

begin{list}{}{

    setlength{leftmargin}{2cm}

    setlength{rightmargin}{2cm}

  }

 item Here's a paragraph with enough text that we can see where the line wraps.



 Here's another paragraph after a traditional paragraph break. This is fine.



 Now we'll end this one with the expl3 version to see what happens next.mypar

 And here's a forth to see where we are. The left and right margins are now disregarded.par



 And they don't come back.

end{list}

end{document}

documentclass{article}

usepackage{xparse}

ExplSyntaxOn

NewDocumentCommand{mypar} {} {tex_par:D}

ExplSyntaxOff



begin{document}

noindenthrulefill

begin{list}{}{

    setlength{leftmargin}{2cm}

    setlength{rightmargin}{2cm}

  }

 item Here's a paragraph with enough text that we can see where the line wraps.



 Here's another paragraph after a traditional paragraph break. This is fine.



 Now we'll end this one with the expl3 version to see what happens next.mypar

 And here's a forth to see where we are. The left and right margins are now disregarded.par



 And they don't come back.

end{list}

end{document}

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