 on
single quotes, which most people input with the apostrophe (found
at the right-hand end of the &quot;home row&quot; on a QWERTY
keyboard).  Groff will interpret all instances of the apostrophe as
an apostrophe, making the symbol useless as an open-single-quote.
For open single quotes, input the backtick character typically
found under the tilde on most keyboards.  (Pour nous autres,
&quot;backtick&quot; veut dire l'accent grave.)  Here's an example
of correct input copy with single quotes:

<pre>
    "B