Various pages: Improve formatting in ATTRIBUTES

Various pages: Improve formatting in ATTRIBUTES

Make the formatting more consistent inside the tables in the
ATTRIBUTES sections. Make the source code more uniform; in
particular, eliminate the use of custom tweaks using
'lbwNN'/'lwNN' and .br macros.  In addition, ensure that
hyphenation and text justification do not occur inside the tables.

This is a script-driven edit:

[[
PAGE_LIST=$(git grep -l 'SH ATTRIBUTES' man[23])

# Strip out any preexisting .sp/.br/.ad macros

sed -i '/SH ATTR/,/^\.SH/{/^\.sp/d; /^\.br/d; /\.ad/d}' $PAGE_LIST

# Eliminate any use of 'wNN' in tables; default first column
# to fill unused space

sed -i '/SH ATTR/,/^\.SH/s/lbw[0-9]*/lb/g' $PAGE_LIST
sed -i '/SH ATTR/,/^\.SH/s/lw[0-9]*/l/g' $PAGE_LIST
sed -i '/SH ATTR/,/^\.SH/s/^lb /lbx /' $PAGE_LIST

# Nest the tables inside ".ad l"+".nh" and ".hy"+".ad"+".sp 1"
# ".ad l" ==> no right justification of text in table cells
# ".nh" ==> No hyphenation in table cells
# ".sp 1" ==> ensure a blank line before the next section heading

sed -i '/SH ATTR/,/^\.SH/{/\.TS/i.ad l\n.nh
}'  $PAGE_LIST
sed -i '/SH ATTR/,/^\.SH/{/\.TE/a.hy\n.ad\n.sp 1
}'  $PAGE_LIST

# In a few of the tables, the third column has a lot of text, so
# make that column wide (rather than the first column)

sed -i '/^lbx/{s/lbx/lb/;s/lb$/lbx/}' \
        man3/bindresvport.3 \
        man3/fmtmsg.3 man3/gethostbyname.3 man3/getlogin.3 \
        man3/getnetent.3 man3/getprotoent.3 man3/getpwent.3 \
        man3/getservent.3 man3/getspnam.3 man3/getutent.3 man3/glob.3 \
        man3/login.3 \
        man3/setnetgrent.3 \
        man3/wordexp.3
]]

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>