[std] Add missing \pnums.

Author: Eelis

source/algorithms.tex

@@ -10641,6 +10641,7 @@
 \end{itemdecl}
 
 \begin{itemdescr}
+\pnum
 \effects
 Equivalent to:
 \begin{codeblock}

source/atomics.tex

@@ -1379,6 +1379,7 @@
 \end{itemdecl}
 
 \begin{itemdescr}
+\pnum
 \effects
 Equivalent to:
 \tcode{return fetch_\placeholder{key}(operand) \placeholdernc{op} operand;}

source/future.tex

@@ -1548,6 +1548,7 @@
 
 \rSec1[depr.tuple]{Tuple}
 
+\pnum
 The header \libheaderref{tuple} has the following additions:
 
 \begin{codeblock}
@@ -2694,6 +2695,7 @@
 
 \rSec2[depr.atomics.volatile]{Volatile access}
 
+\pnum
 If an atomic specialization has one of the following overloads,
 then that overload participates in overload resolution
 even if \tcode{atomic<T>::is_always_lock_free} is \tcode{false}:

source/numerics.tex

@@ -1461,6 +1461,7 @@
 
 \rSec2[bit.rotate]{Rotating}
 
+\pnum
 In the following descriptions,
 let \tcode{N} denote \tcode{numeric_limits<T>::digits}.
 

source/support.tex

@@ -3153,6 +3153,7 @@
 
 \rSec2[source.location.syn]{Header \tcode{<source_location>} synopsis}
 
+\pnum
 The header \libheaderdef{source_location} defines
 the class \tcode{source_location}
 that provides a means to obtain source location information.

source/utilities.tex

@@ -21076,6 +21076,7 @@
 \tcode{i < size_ ?\ data_[i] :\ basic_format_arg<Context>()}.
 \end{itemdescr}
 
+\pnum
 \begin{note}
 Implementations are encouraged
 to optimize the representation of \tcode{basic_format_args}