[support] Turn synopses into numbered sections

Author: tkoeppe

source/support.tex

@@ -189,13 +189,13 @@
 Non-arithmetic standard types, such as
 \tcode{complex<T>}~(\ref{complex}), shall not have specializations.
 
+\rSec3[limits.syn]{Header \tcode{<limits>} synopsis}
 \indextext{\idxhdr{limits}}%
 \indexlibrary{\idxhdr{limits}}%
 \indextext{\idxcode{numeric_limits}}%
 \indexlibrary{\idxcode{numeric_limits}}%
 \indexlibrary{\idxcode{float_round_style}}%
 \indexlibrary{\idxcode{float_denorm_style}}%
-\rSec3[limits.syn]{Header \tcode{<limits>} synopsis}
 
 \begin{codeblock}
 namespace std {
@@ -1171,6 +1171,7 @@
 \xref ISO C~7.1.5, 5.2.4.2.2, 5.2.4.2.1.
 
 \rSec1[cstdint]{Integer types}
+
 \rSec2[cstdint.syn]{Header \tcode{<cstdint>} synopsis}
 \indextext{\idxhdr{cstdint}}%
 \indexlibrary{\idxhdr{cstdint}}%
@@ -1202,6 +1203,7 @@
 \indexlibrary{\idxcode{uint_least64_t}}%
 \indexlibrary{\idxcode{uintmax_t}}%
 \indexlibrary{\idxcode{uintptr_t}}%
+
 \begin{codeblock}
 namespace std {
   typedef @\textit{signed integer type}@ int8_t;   // optional
@@ -1505,7 +1507,7 @@
 functions that manage the allocation of dynamic storage in a program.
 It also defines components for reporting storage management errors.
 
-\synopsis{Header \tcode{<new>} synopsis}
+\rSec2[new.syn]{Header \tcode{<new>} synopsis}
 \indextext{\idxhdr{new}}%
 \indexlibrary{\idxhdr{new}}%
 
@@ -2253,13 +2255,13 @@
 type associated with type information generated by the implementation.
 It also defines two types for reporting dynamic type identification errors.
 
+\rSec2[typeinfo.syn]{Header \tcode{<typeinfo>} synopsis}
 \indextext{\idxhdr{typeinfo}}%
 \indexlibrary{\idxhdr{typeinfo}}%
-\synopsis{Header \tcode{<typeinfo>} synopsis}
-
 \indexlibrary{\idxcode{type_info}}%
 \indexlibrary{\idxcode{bad_cast}}%
 \indexlibrary{\idxcode{bad_typeid}}%
+
 \begin{codeblock}
 namespace std {
   class type_info;
@@ -2523,10 +2525,10 @@
 \tcode{<exception>}
 defines several types and functions related to the handling of exceptions in a \Cpp program.
 
-\synopsis{Header \tcode{<exception>} synopsis}
-
+\rSec2[exception.syn]{Header \tcode{<exception>} synopsis}
 \indextext{\idxhdr{exception}}%
 \indexlibrary{\idxhdr{exception}}%
+
 \begin{codeblock}
 namespace std {
   class exception;
@@ -3045,11 +3047,11 @@
 The header \tcode{<initializer_list>} defines a class template and several
 support functions related to list-initialization~(see \ref{dcl.init.list}).
 
-\synopsis{Header \tcode{<initializer_list>} synopsis}
-
+\rSec2[initializer_list.syn]{Header \tcode{<initializer_list>} synopsis}
 \indexlibrary{\idxcode{initializer_list}}%
 \indexlibrary{\idxcode{begin}}%
 \indexlibrary{\idxcode{end}}%
+
 \begin{codeblock}
 namespace std {
   template<class E> class initializer_list {