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@w{text}: Prevent Line Breaks
@w{text} outputs text and prohibits line breaks
within text, for both TeX and makeinfo.
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 indenting manual. However, usually you want
a normal interword space that does stretch and shrink (in the printed
output); 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{$}Id$.