P3914R0: Re NB US 265-398 and US 266-399 (C++26 CD)

Fixes NB US 265-398 and US 266-399 (C++26 CD).

Author: eisenwave

source/exec.tex

@@ -8568,13 +8568,13 @@
 \begin{itemdescr}
 \pnum
 \expects
-The ends of
-the lifetimes of \tcode{*this},
-the object referred to by \tcode{r}, and
-any storage referenced by \tcode{s}
+The ends
+of the lifetime of \tcode{*this},
+of the lifetime of the object referred to by \tcode{r}, and
+of the duration of any storage referenced by \tcode{s}
 all happen after
 the beginning of the evaluation of
-the call to \tcode{set_value}, \tcode{set_error}, or \tcode{set_done}
+the call to \tcode{set_value}, \tcode{set_error}, or \tcode{set_stopped}
 on \tcode{r} (see below).
 
 \pnum
@@ -8613,12 +8613,14 @@
 \begin{itemdescr}
 \pnum
 \expects
-The ends of
-the lifetimes of \tcode{*this},
-the object referred to by \tcode{r}, and
-any storage referenced by \tcode{s}
+The ends
+of the lifetime of \tcode{*this},
+of the lifetime of the object referred to by \tcode{r}, and
+of the duration of any storage referenced by \tcode{s}
 all happen after
-the beginning of the evaluation of one of the expressions below.
+the beginning of the call to
+\tcode{set_value}, \tcode{set_error}, or \tcode{set_stopped}
+on \tcode{r} (see below).
 
 \pnum
 \effects
@@ -8674,10 +8676,12 @@
 \expects
 The ends of
 the lifetimes of \tcode{*this},
-the object referred to by \tcode{r}, and
-any storage referenced by \tcode{s}
+of the lifetime of the object referred to by \tcode{r}, and
+of the duration of any storage referenced by \tcode{s}
 all happen after
-the beginning of the evaluation of one of the expressions below.
+the beginning of the evaluation of the call to
+\tcode{set_value}, \tcode{set_error}, or \tcode{set_stopped}
+on \tcode{r} (see below).
 
 \pnum
 \effects