Fixup Re US 164-203: Add whitespace in math expressions

Author: eisenwave

source/algorithms.tex

@@ -10448,11 +10448,11 @@
 \range{first2}{last2} contains $n$ elements that are equivalent to them,
 then all $m$ elements from the first range
 are included in the union, in order, and
-then the final $\max(n - m,0)$ elements from the second range
+then the final $\max(n - m, 0)$ elements from the second range
 are included in the union, in order.
 If, of those elements, $k$ elements from the first range
 are copied to the output range,
-then the first $\min(k,n)$ elements from the second range
+then the first $\min(k, n)$ elements from the second range
 are considered \term{skipped}.
 Copies the first $N$ elements of the sorted union
 to the range \range{result}{result + $N$}.
@@ -10587,7 +10587,7 @@
 then the first $k$ elements from the second range
 are considered \term{skipped}.
 If $N < M$, a non-copied element is also considered skipped
-if it compares less than the $(N+1)^\text{th}$ element
+if it compares less than the $(N + 1)^\text{th}$ element
 of the sorted intersection.
 Copies the first $N$ elements of the sorted intersection
 to the range \range{result}{result + $N$}.
@@ -10735,7 +10735,7 @@
   for the overloads in namespace \tcode{ranges},
   where the iterator \tcode{j1}
   points to the position of the element in \range{first1}{last1}
-  corresponding to the $(N+1)^\text{th}$ element of the sorted difference.
+  corresponding to the $(N + 1)^\text{th}$ element of the sorted difference.
 \end{itemize}
 
 \pnum
@@ -10853,7 +10853,7 @@
 the last $n - m$ of these elements from \range{first2}{last2},
 in order, if $m < n$.
 If $N < M$, a non-copied element is considered \term{skipped}
-if it compares less than or equivalent to the $(N+1)^\text{th}$ element
+if it compares less than or equivalent to the $(N + 1)^\text{th}$ element
 of the sorted symmetric difference,
 unless it is from the same range as that element and does not precede it.
 Copies the first $N$ elements of the sorted symmetric difference