[library] Add missing \tcode in headings

Author: Johannes Laire

source/iostreams.tex

@@ -8236,7 +8236,7 @@
 \tcode{sb}, the \tcode{stringbuf} object.
 \end{itemize}
 
-\rSec3[stringstream.cons]{basic_stringstream constructors}
+\rSec3[stringstream.cons]{\tcode{basic_stringstream} constructors}
 
 \indexlibrary{\idxcode{basic_stringstream}!constructor}%
 \begin{itemdecl}

source/numerics.tex

@@ -8571,7 +8571,7 @@
 object refers.
 \end{itemdescr}
 
-\rSec2[valarray.range]{valarray range access}
+\rSec2[valarray.range]{\tcode{valarray} range access}
 
 \pnum
 In the \tcode{begin} and \tcode{end} function templates that follow, \unspec{1}

source/utilities.tex

@@ -328,7 +328,7 @@
 and requirements and semantics are not explicitly provided,
 the requirements and semantics are as specified in this Clause.
 
-\rSec2[utility.swap]{swap}
+\rSec2[utility.swap]{\tcode{swap}}
 
 \indexlibrary{\idxcode{swap}}%
 \begin{itemdecl}
@@ -381,7 +381,7 @@
 \effects As if by \tcode{swap_ranges(a, a + N, b)}.
 \end{itemdescr}
 
-\rSec2[utility.exchange]{exchange}
+\rSec2[utility.exchange]{\tcode{exchange}}
 
 \indexlibrary{\idxcode{exchange}}%
 \begin{itemdecl}
@@ -13045,7 +13045,7 @@
 \end{itemdescr}
 
 
-\rSec3[refwrap.invoke]{reference_wrapper invocation}
+\rSec3[refwrap.invoke]{\tcode{reference_wrapper} invocation}
 
 \indexlibrarymember{operator()}{reference_wrapper}%
 \begin{itemdecl}
@@ -13059,7 +13059,7 @@
 \end{itemdescr}
 
 
-\rSec3[refwrap.helpers]{reference_wrapper helper functions}
+\rSec3[refwrap.helpers]{\tcode{reference_wrapper} helper functions}
 
 \indexlibrarymember{ref}{reference_wrapper}%
 \begin{itemdecl}
@@ -14541,7 +14541,7 @@
 exception thrown by the wrapped callable object.
 \end{itemdescr}
 
-\rSec4[func.wrap.func.targ]{function target access}
+\rSec4[func.wrap.func.targ]{\tcode{function} target access}
 
 \indexlibrarymember{target_type}{function}%
 \begin{itemdecl}