[format.string.std] Put code point ranges in numerical order and collapse two adjacent code points into a range.

Author: zygoloid

source/utilities.tex

@@ -19399,8 +19399,7 @@
 The estimated width of the following code points is 2:
 \begin{itemize}
 \item \tcode{U+1100-U+115F}
-\item \tcode{U+2329}
-\item \tcode{U+232A}
+\item \tcode{U+2329-U+232A}
 \item \tcode{U+2E80-U+303E}
 \item \tcode{U+3040-U+A4CF}
 \item \tcode{U+AC00-U+D7A3}
@@ -19409,10 +19408,10 @@
 \item \tcode{U+FE30-U+FE6F}
 \item \tcode{U+FF00-U+FF60}
 \item \tcode{U+FFE0-U+FFE6}
-\item \tcode{U+20000-U+2FFFD}
-\item \tcode{U+30000-U+3FFFD}
 \item \tcode{U+1F300-U+1F64F}
 \item \tcode{U+1F900-U+1F9FF}
+\item \tcode{U+20000-U+2FFFD}
+\item \tcode{U+30000-U+3FFFD}
 \end{itemize}
 The estimated width of other code points is 1.