[time.point,time.duration] Remove class name repeated in subheadings (#2249)

Author: jensmaurer

source/time.tex

@@ -1350,7 +1350,7 @@
 \end{codeblock}
 \end{example}
 
-\rSec2[time.duration.cons]{\tcode{duration} constructors}
+\rSec2[time.duration.cons]{Constructors}
 
 \indexlibrary{\idxcode{duration}!constructor}%
 \begin{itemdecl}
@@ -1410,7 +1410,7 @@
 \tcode{duration_cast<duration>(d).count()}.
 \end{itemdescr}
 
-\rSec2[time.duration.observer]{\tcode{duration} observer}
+\rSec2[time.duration.observer]{Observer}
 
 \indexlibrarymember{count}{duration}%
 \begin{itemdecl}
@@ -1422,7 +1422,7 @@
 \returns \tcode{rep_}.
 \end{itemdescr}
 
-\rSec2[time.duration.arithmetic]{\tcode{duration} arithmetic}
+\rSec2[time.duration.arithmetic]{Arithmetic}
 
 \indexlibrarymember{operator+}{duration}%
 \begin{itemdecl}
@@ -1569,7 +1569,7 @@
 \end{itemdescr}
 
 
-\rSec2[time.duration.special]{\tcode{duration} special values}
+\rSec2[time.duration.special]{Special values}
 
 \indexlibrarymember{zero}{duration}%
 \begin{itemdecl}
@@ -1601,7 +1601,7 @@
 \returns \tcode{duration(duration_values<rep>::max())}.
 \end{itemdescr}
 
-\rSec2[time.duration.nonmember]{\tcode{duration} non-member arithmetic}
+\rSec2[time.duration.nonmember]{Non-member arithmetic}
 
 \pnum
 In the function descriptions that follow, unless stated otherwise,
@@ -1726,7 +1726,7 @@
 \end{itemdescr}
 
 
-\rSec2[time.duration.comparisons]{\tcode{duration} comparisons}
+\rSec2[time.duration.comparisons]{Comparisons}
 
 \pnum
 In the function descriptions that follow, \tcode{CT} represents
@@ -2017,7 +2017,7 @@
 A \tcode{duration} literal representing \tcode{nsec} nanoseconds.
 \end{itemdescr}
 
-\rSec2[time.duration.alg]{\tcode{duration} algorithms}
+\rSec2[time.duration.alg]{Algorithms}
 
 \indexlibrarymember{abs}{duration}%
 \begin{itemdecl}
@@ -2035,7 +2035,7 @@
 otherwise return \tcode{-d}.
 \end{itemdescr}
 
-\rSec2[time.duration.io]{\tcode{duration} I/O}
+\rSec2[time.duration.io]{I/O}
 
 \indexlibrarymember{operator<<}{duration}%
 \begin{itemdecl}
@@ -2201,7 +2201,7 @@
 If \tcode{Duration} is not an instance of \tcode{duration},
 the program is ill-formed.
 
-\rSec2[time.point.cons]{\tcode{time_point} constructors}
+\rSec2[time.point.cons]{Constructors}
 
 \indexlibrary{\idxcode{time_point}!constructor}%
 \begin{itemdecl}
@@ -2243,7 +2243,7 @@
 \tcode{d_} with \tcode{t.time_since_epoch()}.
 \end{itemdescr}
 
-\rSec2[time.point.observer]{\tcode{time_point} observer}
+\rSec2[time.point.observer]{Observer}
 
 \indexlibrarymember{time_since_epoch}{time_point}%
 \begin{itemdecl}
@@ -2255,7 +2255,7 @@
 \returns \tcode{d_}.
 \end{itemdescr}
 
-\rSec2[time.point.arithmetic]{\tcode{time_point} arithmetic}
+\rSec2[time.point.arithmetic]{Arithmetic}
 
 \indexlibrarymember{operator++}{time_point}%
 \begin{itemdecl}
@@ -2329,7 +2329,7 @@
 \returns \tcode{*this}.
 \end{itemdescr}
 
-\rSec2[time.point.special]{\tcode{time_point} special values}
+\rSec2[time.point.special]{Special values}
 
 \indexlibrarymember{min}{time_point}%
 \begin{itemdecl}
@@ -2351,7 +2351,7 @@
 \returns \tcode{time_point(duration::max())}.
 \end{itemdescr}
 
-\rSec2[time.point.nonmember]{\tcode{time_point} non-member arithmetic}
+\rSec2[time.point.nonmember]{Non-member arithmetic}
 
 \indexlibrarymember{operator+}{time_point}%
 \indexlibrarymember{operator+}{duration}%
@@ -2405,7 +2405,7 @@
 \returns \tcode{lhs.time_since_epoch() - rhs.time_since_epoch()}.
 \end{itemdescr}
 
-\rSec2[time.point.comparisons]{\tcode{time_point} comparisons}
+\rSec2[time.point.comparisons]{Comparisons}
 
 \indexlibrarymember{operator==}{time_point}%
 \begin{itemdecl}