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<h3 class="section">15.5 <code>@w</code>{<var>text</var>}: Prevent Line Breaks</h3>
<p><a name="index-w-_0040r_007b_0028prevent-line-break_0029_007d-912"></a><a name="index-Line-breaks_002c-preventing-913"></a>
<code>@w{</code><var>text</var><code>}</code> outputs <var>text</var> and prohibits line breaks
within <var>text</var>, for both TeX and <samp><span class="command">makeinfo</span></samp>.
<p><a name="index-Non_002dbreakable-space_002c-fixed-914"></a><a name="index-Unbreakable-space_002c-fixed-915"></a>Thus, you can use <code>@w</code> to produce a non-breakable space, fixed at
the width of a normal interword space:
<pre class="example"> @w{ } @w{ } @w{ } indentation.
</pre>
<p class="noindent">produces:
<pre class="display"> <!-- /@w --> <!-- /@w --> <!-- /@w --> indentation.
</pre>
<p>The space from <code>@w{ <!-- /@w -->}</code>, as well as being non-breakable,
also will not stretch or shrink. Sometimes that is what you want, for
instance if you're doing manual indenting. However, usually you want
a normal interword space that does stretch and shrink (in the printed
output); see the <code>@tie</code> command in the next section.
<p><a name="index-Hyphenation_002c-preventing-916"></a>You can also use the <code>@w</code> command to prevent TeX from
automatically hyphenating a long name or phrase that happens to fall
near the end of a line. <samp><span class="command">makeinfo</span></samp> does not ever hyphenate
words.
<p><a name="index-Keyword-expansion_002c-preventing-917"></a><a name="index-Version-control-keywords_002c-preventing-expansion-of-918"></a><a name="index-g_t_0024Id-expansion_002c-preventing-919"></a>You can also use <code>@w</code> to avoid unwanted keyword expansion in
source control systems. For example, to literally write <tt>$<!-- /@w -->Id$</tt>
in your document, use <code>@w{$}Id$</code>.
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