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0004 document preparation system, version of November 2018.
0005 
0006 This manual was originally translated from LATEX.HLP v1.0a in the
0007 VMS Help Library.  The pre-translation version was written by
0008 George D. Greenwade of Sam Houston State University.  The
0009 LaTeX 2.09 version was written by Stephen Gilmore.  The
0010 LaTeX2e version was adapted from this by Torsten Martinsen.  Karl
0011 Berry made further updates and additions, and gratefully acknowledges
0012 using Hypertext Help with LaTeX, by Sheldon Green, and
0013 LaTeX Command Summary (for LaTeX 2.09) by
0014 L. Botway and C. Biemesderfer (published by the TeX Users
0015 Group as TeXniques number 10), as reference material.  We also
0016 gratefully acknowledge additional material appearing in
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0020 Copyright 2007, 2008, 2009, 2010, 2011, 2012, 2013,
0021 2014, 2015, 2016, 2017, 2018 Karl Berry.
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0023 Copyright 1988, 1994, 2007 Stephen Gilmore.
0024 
0025 Copyright 1994, 1995, 1996 Torsten Martinsen.
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0115 <p>
0116 Next: <a href="_007e.html#g_t_007e" accesskey="n" rel="next">~</a>, Previous: <a href="_005cspacefactor.html#g_t_005cspacefactor" accesskey="p" rel="prev">\spacefactor</a>, Up: <a href="Spaces.html#Spaces" accesskey="u" rel="up">Spaces</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="IndexDocument.html#Index" title="Index" rel="index">Index</a>]</p>
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0118 <hr>
0119 <a name="Backslash_002dspace_002c-_005c-"></a>
0120 <h3 class="section">19.6 Backslash-space, <code>\ </code></h3>
0121 
0122 <a name="index-_005cNEWLINE"></a>
0123 <a name="index-_005cSPACE"></a>
0124 <a name="index-_005c-_0028backslash_002dspace_0029"></a>
0125 <a name="index-_005cTAB"></a>
0126 <a name="index-_005cSPACE-1"></a>
0127 
0128 <p>This section refers to the command consisting of two characters, a
0129 backslash followed by a space. Synopsis:
0130 </p>
0131 <div class="example">
0132 <pre class="example">\    
0133 </pre></div>
0134 
0135 <p>Produce a space. By default it produces white space of length
0136 3.33333pt plus 1.66666pt minus 1.11111pt.
0137 </p>
0138 <p>When you type one or more blanks between words, LaTeX produces white
0139 space.  But that is different than an explicit space.  This illustrates.
0140 </p>
0141 <div class="example">
0142 <pre class="example">\begin{tabular}{l}
0143 One blank: makes some space \\
0144 Three blanks:   in a row \\
0145 Three spaces:\ \ \ in a row \\
0146 \end{tabular}
0147 </pre></div>
0148 
0149 <p>On the first line LaTeX puts some space after the colon.  On the
0150 second line LaTeX collapses the three blanks to output one
0151 whitespace, so you end with the same space after the colon as in the
0152 first line.  LaTeX would similarly collapse a blank followed by a
0153 tab, or a blank and a newline and a blank.  However, the bottom line
0154 asks for three spaces so the white area is wider.  That is, the
0155 backslash-space command creates a fixed amount of horizontal space.
0156 (Note that you can define a horizontal space of any width at all with
0157 <code>\hspace</code>; see&nbsp;<a href="_005chspace.html#g_t_005chspace">\hspace</a>.)
0158 </p>
0159 <p>The backslash-space command has two main uses.  It is often used after
0160 control sequences to keep them from gobbling the space that follows, as
0161 in <code>\TeX\ is nice</code>.  (But using curly parentheses, as in
0162 <code>\TeX{} is best</code>, has the advantage of still working if the next
0163 character is a period.)  The other common use is that it marks a period
0164 as ending an abbreviation instead of ending a sentence, as in <code>So
0165 says Prof.\ Smith</code> or <code>Jones et al.\ (1993)</code> (see <a href="_005c_0040.html#g_t_005c_0040">\@</a>).
0166 </p>
0167 <p>Under normal circumstances, <code>\</code><tt class="key">tab</tt> and <code>\</code><tt class="key">newline</tt>
0168 are equivalent to backslash-space, <code>\ </code>.
0169 </p>
0170 
0171 
0172 
0173 
0174 <hr/><div class='referenceinfo'> <a href='https://latexref.xyz/'> <i>Unofficial LaTeX2e reference manual</i></a></div>
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