reduce more .Nd to one line and kill more .Tn

no longer any need to quote macro lines with >9 args;
From: Jan Stary

observe the following spelling:
- wide character (noun)
- wide-character (adjective)

this is the "fix of least resistance", and appears to be in line with
posix style; a tiny fix still needed for cu

observe the following spelling:
- wide character (noun)
- wide-character (adjective)

this is the "fix of least resistance", and appears to be in line with
posix style; a tiny fix still needed for curses, but i'll mail that
upstream;

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Add man page for wcstol and friends.

ok jmc@