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@@ -69,7 +69,7 @@ one slot in upright and slanted shapes and five slots in italic shapes, as expec
\item \verb|\textosfI| prints its argument in oldstyle figures using, in effect, the {\tt osfI} option---e.g., \verb|\textosfI{12}| results in \textosfI{12}.
\item Numerators and denominators are normally used only for constructing fractions, but may if needed be called using \verb|\textnumerator| and \verb|\textdenominator|. They are about 7\% smaller than superiors and inferiors. You may use \verb|\textde| and \verb|\textnu| as abbreviations, though the latter will not be available if {\tt babel} is loaded with {\tt greek} option.
\item The \verb|\textfrac| macro allows you to write, e.g., \verb|\textfrac{31}{32}| to get the simple fraction \textfrac{31}{32}, and \verb|\textfrac[2]{31}{32}| to get \textfrac[2]{31}{32}. (The optional argument, $2$ in the latter case, is always typeset in lining figures.)
-\item \verb|\textcircled| renders its argument in raised and reduced small caps encircled by the {\tt bigcircle} glyph. E.g., \verb|\textcircled{X}| or \verb|\textcircled{x}| render as \textcircled{x}.
+\item \verb|\textcircled| renders its argument in raised and reduced small caps encircled by the {\tt bigcircle} glyph. E.g., \verb|\textcircled{X}| or \verb|\textcircled{x}| render as \textcircled{x}. The macro works also for numerals: \verb|\textcircled{2}| renders as \textcircled{2}.
\end{itemize}
Three math packages seem to provide reasonable companions for \textsf{XCharter}. The first example uses Charter italics as math italics, but doesn't provide arbitrary scaling and doesn't sufficiently distinguish math italic v from mathematical Greek \verb|\nu|. Moreover, it is not easy to redefine \verb|\mathcal| to get a better math calligraphic alphabet---e.g., the {\tt mathalfa} package fails. The second uses \textsf{libertine} italics and Greek in math mode, which is a good match to Charter in style and weight after scaling up, is arbitrarily scalable, has distinct math italic v and mathematical Greek \verb|\nu|, and is completely compatible with {\tt mathalfa}. The third is a new revision of {\tt newtxmath} with option {\tt charter} (or, equivalently, {\tt xcharter}), which substitutes Charter italics as math italics and, as of version 1.11, uses a newly developed family of Greek symbols in \{regular, bold\} $\times$ \{upright, italic\} to match the style and italic angle of XCharter. This version is scalable and has a math italic v (plus a matching w) distinct from \verb|\nu|. (The option {\tt noxchvw} to {\tt newtxmath} changes the v and w to be the original Charter italic glyphs, which may lead to issues with \verb|\nu|. The option {\tt alty} to {\tt newtxmath/charter}, new as of version {\tt 1.203}, substitutes $y$ for the default \emph{y} which, IMO, works better in combination with other math symbols because it lacks the problematic tail of \emph{y}.)