[flat.*] Regularize "[already] sorted with respect to..." wording

This should not be merged yet; it should be rebased after cplusplus#6274.

source/containers.tex

@@ -15082,8 +15082,8 @@
 
 \pnum
 \complexity
-Linear in $N$ if the container arguments are already sorted
-with respect to \tcode{value_comp()} and otherwise $N \log N$,
+Linear in $N$ if \tcode{key_cont} is already sorted
+with respect to \tcode{comp} and otherwise $N \log N$,
 where $N$ is the value of \tcode{key_cont.size()} before this call.
 \end{itemdescr}
 
@@ -15735,7 +15735,7 @@
 \pnum
 \expects
 \tcode{key_cont.size() == mapped_cont.size()} is \tcode{true},
-the elements of \tcode{key_cont} are sorted with respect to \tcode{compare}, and
+\tcode{key_cont} is sorted with respect to \tcode{compare}, and
 \tcode{key_cont} contains no equal elements.
 
 \pnum
@@ -16224,8 +16224,8 @@
 
 \pnum
 \complexity
-Linear in $N$ if the container arguments are already sorted
-with respect to \tcode{value_comp()} and otherwise $N \log N$,
+Linear in $N$ if \tcode{key_cont} is already sorted
+with respect to \tcode{comp} and otherwise $N \log N$,
 where $N$ is the value of \tcode{key_cont.size()} before this call.
 \end{itemdescr}
 
@@ -16751,7 +16751,7 @@
 
 \pnum
 \complexity
-Linear in $N$ if \tcode{cont} is sorted with respect to \exposid{compare} and
+Linear in $N$ if \tcode{cont} is already sorted with respect to \tcode{comp} and
 otherwise $N \log N$, where $N$ is the value of \tcode{cont.size()} before this call.
 \end{itemdescr}
 
@@ -17000,7 +17000,7 @@
 \begin{itemdescr}
 \pnum
 \expects
-The elements of \tcode{cont} are sorted with respect to \exposid{compare}, and
+\tcode{cont} is sorted with respect to \exposid{compare} and
 \tcode{cont} contains no equal elements.
 
 \pnum
@@ -17406,7 +17406,7 @@
 
 \pnum
 \complexity
-Linear in $N$ if \tcode{cont} is sorted with respect to \exposid{compare} and
+Linear in $N$ if \tcode{cont} is already sorted with respect to \tcode{comp} and
 otherwise $N \log N$, where $N$ is the value of \tcode{cont.size()} before this call.
 \end{itemdescr}
 
@@ -17613,7 +17613,7 @@
 \begin{itemdescr}
 \pnum
 \expects
-The elements of \tcode{cont} are sorted with respect to \exposid{compare}.
+\tcode{cont} is sorted with respect to \exposid{compare}.
 
 \pnum
 \effects