texinfo: Ending a Sentence

Inserting Space

@frenchspacing

Not Ending a Sentence

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14.3.3 Ending a Sentence
------------------------

As mentioned above, Texinfo normally inserts additional space after the
end of a sentence.  It uses a simple heuristic for this: a sentence ends
with a period, exclamation point, or question mark followed by optional
closing punctuation and then whitespace, and _not_ preceded by a capital
letter.

  Use '@.' instead of a period, '@!' instead of an exclamation point,
and '@?' instead of a question mark at the end of a sentence that does
end with a capital letter.  For example:

     Give it to M.I.B. and to M.E.W@.  Also, give it to R.J.C@.
     Give it to M.I.B. and to M.E.W.  Also, give it to R.J.C.

The output follows.  In printed output and Info, you can see the desired
extra whitespace after the 'W' in the first line.

     Give it to M.I.B. and to M.E.W.  Also, give it to R.J.C.
     Give it to M.I.B. and to M.E.W. Also, give it to R.J.C.

  In the HTML output, '@.' is equivalent to a simple '.'; likewise for
'@!' and '@?'.

  The meanings of '@:' and '@.', etc. in Texinfo are designed to work
well with the Emacs sentence motion commands (Note: (emacs)Sentences).

  Do not put braces after any of these commands.

  A few Texinfo commands are not considered as being an abbreviation,
even though they may end with a capital letter when expanded, so that
you don't have to insert '@.' and companions.  This is the case for
code-like highlighting commands, '@var' arguments ending with a capital
letter, and '@TeX'.  For example, that sentence ended with
'@code{@@TeX}.'; '@.' was not needed.  Also in '... @var{VARNAME}. Text'
the period after VARNAME ends the sentence; there is no need to use
'@.'.