Add register \n[.height] which returns the value of \H.

Add register \n[.slant] which returns the value of \S.

* src/roff/troff/env.cc (init_env_requests): Implement.
* NEWS, man/groff_diff.man, man/groff.man, doc/groff.texinfo:
Document.

* tmac/html.tmac: Move some of the data into html-end.tmac.
Remove most of the character translations for eqn since html fonts
now cover those characters.
Load www.tmac.
* tmac/html-end.tmac: New file.
* tmac/troffrc: Load html.tmac not www.tmac for -Thtml.
* tmac/troffrc-end: Load html-end.tmac not html.tmac for -Thtml.
* tmac/Makefile.sub (NORMALFILES): Add html-end.tmac.

* man/groff_out.man: Document negative values of `N' if -Thtml is
used.

1 files changed, 14 insertions, 185 deletions

diff --git a/tmac/html.tmac b/tmac/html.tmac
index 9d400e02..7843a3cf 100644
--- a/tmac/html.tmac
+++ b/tmac/html.tmac
@@ -23,193 +23,25 @@
 .\"
 .\" remove hyphenation
 .\"
+.nh
+.nr HY 0
+.
 .de hy
 ..
 .de nh
 ..
 .
-.\" Now set any characters defined in devps/S but not in devhtml/S to nul --
-.\" these are generated by eqn but not used by grohtml.  grops generated
-.\" images during the alternative pass.
-.if !c\[*y] .tr \[*y]
-.if !c\[fa] .tr \[fa]
-.if !c\[te] .tr \[te]
-.if !c\[st] .tr \[st]
-.if !c\[=~] .tr \[=~]
-.if !c\[*A] .tr \[*A]
-.if !c\[*B] .tr \[*B]
-.if !c\[*X] .tr \[*X]
-.if !c\[*D] .tr \[*D]
-.if !c\[*E] .tr \[*E]
-.if !c\[*F] .tr \[*F]
-.if !c\[*G] .tr \[*G]
-.if !c\[*Y] .tr \[*Y]
-.if !c\[*I] .tr \[*I]
-.if !c\[+h] .tr \[+h]
-.if !c\[*K] .tr \[*K]
-.if !c\[*L] .tr \[*L]
-.if !c\[*M] .tr \[*M]
-.if !c\[*N] .tr \[*N]
-.if !c\[*O] .tr \[*O]
-.if !c\[*P] .tr \[*P]
-.if !c\[*H] .tr \[*H]
-.if !c\[*R] .tr \[*R]
-.if !c\[*S] .tr \[*S]
-.if !c\[*T] .tr \[*T]
-.if !c\[ts] .tr \[ts]
-.if !c\[*W] .tr \[*W]
-.if !c\[*C] .tr \[*C]
-.if !c\[*Q] .tr \[*Q]
-.if !c\[*Z] .tr \[*Z]
-.if !c\[3d] .tr \[3d]
-.if !c\[tf] .tr \[tf]
-.if !c\[pp] .tr \[pp]
-.if !c\[radicalex] .tr \[radicalex]
-.if !c\[*a] .tr \[*a]
-.if !c\[*b] .tr \[*b]
-.if !c\[*x] .tr \[*x]
-.if !c\[*d] .tr \[*d]
-.if !c\[*e] .tr \[*e]
-.if !c\[*f] .tr \[*f]
-.if !c\[*g] .tr \[*g]
-.if !c\[*y] .tr \[*y]
-.if !c\[*i] .tr \[*i]
-.if !c\[+f] .tr \[+f]
-.if !c\[*k] .tr \[*k]
-.if !c\[*l] .tr \[*l]
-.if !c\[*m] .tr \[*m]
-.if !c\[*n] .tr \[*n]
-.if !c\[*o] .tr \[*o]
-.if !c\[*p] .tr \[*p]
-.if !c\[*h] .tr \[*h]
-.if !c\[*r] .tr \[*r]
-.if !c\[*s] .tr \[*s]
-.if !c\[*t] .tr \[*t]
-.if !c\[*u] .tr \[*u]
-.if !c\[+p] .tr \[+p]
-.if !c\[*w] .tr \[*w]
-.if !c\[*c] .tr \[*c]
-.if !c\[*q] .tr \[*q]
-.if !c\[*z] .tr \[*z]
-.if !c\[ap] .tr \[ap]
-.if !c\[*U] .tr \[*U]
-.if !c\[fm] .tr \[fm]
-.if !c\[<=] .tr \[<=]
-.if !c\[f/] .tr \[f/]
-.if !c\[if] .tr \[if]
-.if !c\[Fn] .tr \[Fn]
-.if !c\[CL] .tr \[CL]
-.if !c\[DI] .tr \[DI]
-.if !c\[HE] .tr \[HE]
-.if !c\[SP] .tr \[SP]
-.if !c\[<>] .tr \[<>]
-.if !c\[<-] .tr \[<-]
-.if !c\[ua] .tr \[ua]
-.\" .if !c\[arrowverttp] .tr \[arrowverttp]
-.if !c\[->] .tr \[->]
-.if !c\[da] .tr \[da]
-.\" .if !c\[arrowvertbt] .tr \[arrowvertbt]
-.if !c\[de] .tr \[de]
-.if !c\[sd] .tr \[sd]
-.if !c\[>=] .tr \[>=]
-.if !c\[pt] .tr \[pt]
-.if !c\[pd] .tr \[pd]
-.if !c\[bu] .tr \[bu]
-.if !c\[di] .tr \[di]
-.if !c\[!=] .tr \[!=]
-.if !c\[==] .tr \[==]
-.if !c\[~~] .tr \[~~]
-.if !c\[~=] .tr \[~=]
-.\" .if !c\[arrowvertex] .tr \[arrowvertex]
-.if !c\[an] .tr \[an]
-.if !c\[CR] .tr \[CR]
-.if !c\[Ah] .tr \[Ah]
-.if !c\[Im] .tr \[Im]
-.if !c\[Re] .tr \[Re]
-.if !c\[wp] .tr \[wp]
-.if !c\[c*] .tr \[c*]
-.if !c\[c+] .tr \[c+]
-.if !c\[es] .tr \[es]
-.if !c\[ca] .tr \[ca]
-.if !c\[cu] .tr \[cu]
-.if !c\[sp] .tr \[sp]
-.if !c\[ip] .tr \[ip]
-.if !c\[nb] .tr \[nb]
-.if !c\[sb] .tr \[sb]
-.if !c\[ib] .tr \[ib]
-.if !c\[mo] .tr \[mo]
-.if !c\[nm] .tr \[nm]
-.if !c\[/_] .tr \[/_]
-.if !c\[gr] .tr \[gr]
-.\" .if !c\[product] .tr \[product]
-.if !c\[sr] .tr \[sr]
-.if !c\[md] .tr \[md]
-.if !c\[no] .tr \[no]
-.if !c\[AN] .tr \[AN]
-.if !c\[OR] .tr \[OR]
-.if !c\[hA] .tr \[hA]
-.if !c\[lA] .tr \[lA]
-.if !c\[uA] .tr \[uA]
-.if !c\[rA] .tr \[rA]
-.if !c\[dA] .tr \[dA]
-.if !c\[lz] .tr \[lz]
-.if !c\[la] .tr \[la]
-.if !c\[sum] .tr \[sum]
-.\" .if !c\[parenlefttp] .tr \[parenlefttp]
-.\" .if !c\[parenleftex] .tr \[parenleftex]
-.\" .if !c\[parenleftbt] .tr \[parenleftbt]
-.\" .if !c\[bracketlefttp] .tr \[bracketlefttp]
-.if !c\[lc] .tr \[lc]
-.\" .if !c\[bracketleftex] .tr \[bracketleftex]
-.\" .if !c\[bracketleftbt] .tr \[bracketleftbt]
-.if !c\[lf] .tr \[lf]
-.\" .if !c\[bracelefttp] .tr \[bracelefttp]
-.if !c\[lt] .tr \[lt]
-.\" .if !c\[braceleftmid] .tr \[braceleftmid]
-.if !c\[lk] .tr \[lk]
-.\" .if !c\[braceleftbt] .tr \[braceleftbt]
-.if !c\[lb] .tr \[lb]
-.\" .if !c\[braceex] .tr \[braceex]
-.\" .if !c\[bracerightex] .tr \[bracerightex]
-.\" .if !c\[braceleftex] .tr \[braceleftex]
-.\" .if !c\[barex] .tr \[barex]
-.if !c\[bv] .tr \[bv]
-.if !c\[ra] .tr \[ra]
-.if !c\[is] .tr \[is]
-.\" .if !c\[parenrighttp] .tr \[parenrighttp]
-.\" .if !c\[parenrightex] .tr \[parenrightex]
-.\" .if !c\[parenrightbt] .tr \[parenrightbt]
-.\" .if !c\[bracketrighttp] .tr \[bracketrighttp]
-.if !c\[rc] .tr \[rc]
-.\" .if !c\[bracketrightex] .tr \[bracketrightex]
-.\" .if !c\[bracketrightbt] .tr \[bracketrightbt]
-.if !c\[rf] .tr \[rf]
-.\" .if !c\[bracerighttp] .tr \[bracerighttp]
-.if !c\[rt] .tr \[rt]
-.\" .if !c\[bracerightmid] .tr \[bracerightmid]
-.if !c\[rk] .tr \[rk]
-.\" .if !c\[bracerightbt] .tr \[bracerightbt]
-.if !c\[rb] .tr \[rb]
-.
-.\" now turn off all headers and footers for ms, me and mm macro sets
-.if d EF .EF ''''
-.if d EH .EH ''''
-.if d OF .OF ''''
-.if d OH .OH ''''
-.if d ef .ef ''''
-.if d of .of ''''
-.if d oh .oh ''''
-.if d eh .eh ''''
-.tl ''''
-.
-.\" it doesn't make sense to use hyphenation with html, so we turn it off.
-.hy 0
-.nr HY 0
-.
 .\" avoid line breaks after hyphen-like characters.
 .cflags 0 -\[hy]\[em]\[en]\[shc]
 .
-.pl 99999
+.\" Now set any characters defined in devps/S but not in devhtml to nul --
+.\" these are generated by eqn but not used by grohtml.  grops generated
+.\" images during the alternative pass.
+.if !c\[radicalex] .tr \[radicalex]
+.if !c\[arrowverttp] .tr \[arrowverttp]
+.if !c\[arrowvertbt] .tr \[arrowvertbt]
+.if !c\[arrowvertex] .tr \[arrowvertex]
+.if !c\[barex] .tr \[barex]
 .
 .\" now for the color definitions
 .\"
@@ -700,17 +532,14 @@
 .
 .cp \n(_C
 .
-.if !\n(_C \
+.if !\n(_C \{\
 .  mso pspic.tmac
+.  mso www.tmac
+.\}
 .
 .do ie '\[char97]'a' \
 .  do mso latin1.tmac
 .el \
 .  do mso cp1047.tmac
 .
-.\" tell grohtml some default parameter values
-.po 0
-.ll \n[.l]u
-.ta \n[.tabs]
-.
 .\" end of file, make sure this is the last line