Remove workaround for ancient HTML generation code.

merge in traceroute1.4a12. Our sources are so different that it is really
difficult to do this with an import.

Show MPLS ICMP extensions. Only available if -M is passed.
Example:
RC02-02 (195.245.142.66) 45.707 ms 20.418 ms 34.042 ms [MPLS: label: 515, exp: 0x0, ttl: 1]
gr1-p340.attga.ip.att.net (12.123.20.190) 241.878 ms 251.945 ms [MPLS: label: 32133, exp: 0x0, ttl: 1]


Based on PR 22523: By Jesper Skriver (updated by ww@parc.styx.org and Mihai
CHELARU).

Things not in the PR that I changed/added:
* changed exp and label to lower case
* added ttl (probably not worth it but who knows..)
* KNF/style/indent
* C99 uintXX_t

No leading zero in date strings.
XXX: this page needs conversion to mdoc.

\(<= is the proper roff for <=. Fix another \*[Le] missed in the
previous commit. While here, properly mark up minus in -p description.

It's lilac-dmc.Berkeley.EDU, not lbl-csam.arpa. A 12 years old typo!
Also, \*[Le] doesn't seem to work well here, so replace it with '<='
as FreeBSD did. This problem was spotted by joerg@.

The default hops is not 30, but is taken from the net.inet.ip.ttl sysctl
variable. Fixes PR/30209 from Jed Davis.

NFSNET. From Igor Sobrado in PR 19691.

MERCHANTIBILITY->MERCHANTABILITY
4.4bsd->4.4BSD
PR misc/20747 from Igor Sobrado
Note he also asked for NSFNet -> NSFNET which I didn't do -- it seems
arbitrary and unneeded.
XXX Patch submitted back to traceroute@ee.lbl.gov -- are they still active?
XXX Should this be converted to mdoc?

HP-UX, not HPUX. Igor Sobrado, PR 19678.

Uppercase ULTRIX. Igor Sobrado in PR 19678.

"Utilize" has exactly the same meaning as "use," but it is more
difficult to read and understand. Most manuals of English style
therefore say that you should use "use".

Fix order of letters in calculated, from Adrian Mrva.

Generate <>& symbolically. I'm avoiding .../dist/... directories for now.

Patch from PR 14724 to document the -q option.

Fix xref.

Whitespace nits.

Add support for printing the AS number associated with the address at
each hop.

Symmetric has one s and two m's.

Remove duplicate entry for -d option, fixing misc/11414.
Sort options while I'm here.

branches: 1.10.2;
nroff nit for SYNOPSIS section. should we translate it to mdoc format?

branches: 1.9.8;
Add path mtu discovery. Idea and code fragments by W. Richard Stevens.

Fix conflicts.

Add a -l flag, which displays the ttl of the returned packet.
From D'Arcy J.M. Cain <darcy@druid.com>, PR #2773.

Fix tiny documentation error; default timeout is 5s, not 3s.

new rcsid format. small cleanup

Add a `-g' option for loose source routing, as implemented by John Hawkinson
and I.

Update from 4.4-Lite.

Add RCS indentifiers.

branches: 1.1.1;
Initial revision