\par (LaTeX2e unofficial reference manual (November 2018))

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### 15.1 `\par`

Synopsis (note that while reading the input TeX converts two consecutive newlines to a `\par`):

    \par

End the current paragraph. The usual way to separate paragraphs is with a blank line but the `\par` command is entirely equivalent. This command is robust (see \protect).

This example uses `\par` rather than a blank line simply for readability.

    \newcommand{\syllabusLegalese}{%
      \whatCheatingIs\par\whatHappensWhenICatchYou}

In LR mode or a vertical mode the `\par` command does nothing but it terminates paragraph mode, switching LaTeX to vertical mode (see Modes).

You cannot use the `\par` command in a math mode. You also cannot use it in the argument of many commands, such as the `\section` command (see Making paragraphs and \newcommand & \renewcommand).

The `\par` command is not the same as the `\paragraph` command. The latter is, like `\section` or `\subsection`, a sectioning unit used by the standard LaTeX documents (see \subsubsection & \paragraph & \subparagraph).

The `\par` command is not the same as `\newline` or the line break double backslash, `\\`. The difference is that `\par` ends the paragraph, not just the line, and also triggers the addition of the between-paragraph vertical space `\parskip` (see \parindent & \parskip).

The output from this example

    xyz

    \setlength{\parindent}{3in}
    \setlength{\parskip}{5in}
    \noindent test\indent test1\par test2

is: after ‘`xyz`’ there is a vertical skip of 5 inches and then ‘`test`’ appears, aligned with the left margin. On the same line, there is an empty horizontal space of 3 inches and then ‘`test1`’ appears. Finally. there is a vertical space of 5 inches, followed by a fresh paragraph with a paragraph indent of 3 inches, and then LaTeX puts the text ‘`test2`’.

Unofficial LaTeX2e reference manual