[inplace.vector] Fix some spelling/grammar issues (#7243)

Author: Quuxplusone

source/containers.tex

@@ -9882,7 +9882,7 @@
 
 \begin{itemdescr}
 \pnum
-Let $n$ be value of \tcode{size()} before this call for
+Let $n$ be the value of \tcode{size()} before this call for
 the \tcode{append_range} overload, and
 \tcode{distance(begin, position)} otherwise.
 
@@ -9924,7 +9924,7 @@
 \pnum
 \throws
 \tcode{bad_alloc} or
-any exception thrown by initialization of inserted element.
+any exception thrown by the initialization of the inserted element.
 
 \pnum
 \complexity
@@ -9972,7 +9972,7 @@
 
 \pnum
 \throws
-Nothing unless an exception is thrown by initialization of inserted element.
+Nothing unless an exception is thrown by the initialization of the inserted element.
 
 \pnum
 \complexity
@@ -10005,7 +10005,7 @@
 \returns
 An iterator pointing to the first element of \tcode{rg}
 that was not inserted into \tcode{*this},
-or \tcode{ranged::end(rg)} if no such element exists.
+or \tcode{ranges::end(rg)} if no such element exists.
 
 \pnum
 \complexity