Documentation/: Update the NSH user manual to include the echo -n option.
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<tr align="center" bgcolor="#e4e4e4">
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<td>
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<h1><big><font color="#3c34ec"><i>NuttShell (NSH)</i></font></big></h1>
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<h1><big><font color="#3c34ec"><i>NuttShell (NSH)</i></font></big></h1>
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<p>Last Updated: January 4, 2018</p>
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<p>Last Updated: January 10, 2018</p>
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@ -1599,13 +1599,16 @@ dirname <path>
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<p><b>Command Syntax:</b></p>
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<p><b>Command Syntax:</b></p>
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<ul><pre>
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<ul><pre>
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echo [<string|$name> [<string|$name>...]]
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echo [-n] [<string|$name> [<string|$name>...]]
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</pre></ul>
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</pre></ul>
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<p>
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<p>
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<b>Synopsis</b>.
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<b>Synopsis</b>.
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Copy the sequence of strings and expanded environment variables to
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Copy the sequence of strings and expanded environment variables to
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console output (or to a file if the output is re-directed).
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console output (or to a file if the output is re-directed).
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</p>
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</p>
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<p>
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The <code>-n</code> option suppresses the trailing newline character.
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</p>
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