error symbol @code{error}, and a list containing the string returned by
@code{format-message}.
-In a format string containing single quotes, curved quotes @t{‘like
-this’} and grave quotes @t{`like this'} work better than straight
-quotes @t{'like this'}, as @code{error} typically formats every
-straight quote as a curved closing quote.
+A format that quotes with grave accents and apostrophes @t{`like
+this'} typically generates curved quotes @t{‘like this’}. In
+contrast, a format that quotes with only apostrophes @t{'like this'}
+typically generates two closing curved quotes @t{’like this’}, an
+unusual style in English. @xref{Keys in Documentation}, for how the
+@code{text-quoting-style} variable affects generated quotes.
@strong{Warning:} If you want to use your own string as an error message
verbatim, don't just write @code{(error @var{string})}. If @var{string}