texinfo: @dmn

Inserting Space

@frenchspacing

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14.3.5 '@dmn'{DIMENSION}: Format a Dimension
--------------------------------------------

You can use the '@dmn' command to format a dimension with a little extra
space in the printed output.  That is, on seeing '@dmn', TeX inserts
just enough space for proper typesetting; in other output formats, the
formatting commands insert no space at all.

  To use the '@dmn' command, write the number and then follow it
immediately, with no intervening space, by '@dmn', and then by the
dimension within braces.  For example,

     A4 paper is 8.27@dmn{in} wide.

produces

     A4 paper is 8.27in wide.

  Not everyone uses this style.  Some people prefer '8.27 in.' or
'8.27 inches'.  In these cases, however, you need to use '@tie' (Note:
@tie) or '@w' (Note: @w) so that no line break can occur between the
number and the dimension.  Also, if you write a period after an
abbreviation within a sentence (as with the 'in.' above), you should
write '@:' after the period to prevent TeX from inserting extra
whitespace, as shown here.  Note: Not Ending a Sentence.