texinfo: @w

Breaks

@tie

@allowcodebreaks

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15.5 '@w'{TEXT}: Prevent Line Breaks
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'@w{TEXT}' outputs TEXT, while prohibiting line breaks within TEXT.

  Thus, you can use '@w' to produce a non-breakable space, fixed at the
width of a normal interword space:

     @w{ } @w{ } @w{ } indentation.

produces:

           indentation.

  The space from '@w{ }', 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);
for that, see the '@tie' command in the next section.

  You can also use the '@w' command to prevent TeX from automatically
hyphenating a long name or phrase that happens to fall near the end of a
line.  'makeinfo' does not ever hyphenate words.

  You can also use '@w' to avoid unwanted keyword expansion in source
control systems.  For example, to literally write $Id$ in your document,
use '@w{$}Id$'.  This trick isn't effective in Info or plain text
output, though.