[diff.cpp23.strings] Move Clause 27 changes after Clause 23 changes

The 'Strings' clause was moved before the new 'Text processing' clause,
so it's now after the 'Containers' clause. The order of the [diff.cpp23]
subclauses should reflect that.

Author: jwakely

source/compatibility.tex

@@ -240,25 +240,6 @@
 \tcode{trivially_relocatable_if_eligible} as macros is invalid
 in this revision of \Cpp{}.
 
-\rSec2[diff.cpp23.strings]{\ref{strings}: strings library}
-
-\diffref{string.conversions}
-\change
-Output of floating-point overloads of \tcode{to_string} and \tcode{to_wstring}.
-\rationale
-Prevent loss of information and improve consistency with other formatting
-facilities.
-\effect
-\tcode{to_string} and \tcode{to_wstring} function calls that take
-floating-point arguments may produce a different output.
-\begin{example}
-\begin{codeblock}
-auto s = std::to_string(1e-7);  // \tcode{"1e-07"}
-                                // previously \tcode{"0.000000"} with \tcode{'.'} possibly
-                                // changed according to the global C locale
-\end{codeblock}
-\end{example}
-
 \rSec2[diff.cpp23.containers]{\ref{containers}: containers library}
 
 \diffref{span.overview}
@@ -285,6 +266,25 @@
 \end{codeblock}
 \end{example}
 
+\rSec2[diff.cpp23.strings]{\ref{strings}: strings library}
+
+\diffref{string.conversions}
+\change
+Output of floating-point overloads of \tcode{to_string} and \tcode{to_wstring}.
+\rationale
+Prevent loss of information and improve consistency with other formatting
+facilities.
+\effect
+\tcode{to_string} and \tcode{to_wstring} function calls that take
+floating-point arguments may produce a different output.
+\begin{example}
+\begin{codeblock}
+auto s = std::to_string(1e-7);  // \tcode{"1e-07"}
+                                // previously \tcode{"0.000000"} with \tcode{'.'} possibly
+                                // changed according to the global C locale
+\end{codeblock}
+\end{example}
+
 \rSec2[diff.cpp23.depr]{\ref{depr}: compatibility features}
 
 \nodiffref