…e_ptr

…explicit

[alg.permutation.generators] Merged with changes qualifying declarator-id
with sub-namespace.

[iterator.concept.sizedsentinel] Reworded to clarify what must be
a program-defined type.

[func.not_fn],[func.bind_front] Maintained the , before
"direct-non-list-initialized with" for consistency.

…oexcept

…iscard useful information

[algorithms] Merged with changes qualifying declarator-id with sub-namespace.

…onstruct()

…tion

…r function

Provide proper descriptions for disable_sized_sentinel,
disable_sized_range, and enable_view.