[perl #75796] CGI: -dtd option not documented enough

# New Ticket Created by  Kristof Zelechovski 
# Please include the string:  [perl #75796]
# in the subject line of all future correspondence about this issue. 
# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=75796 >


This is a bug report for perl from Křištof Želechovski 
<[email protected]>,
generated with the help of perlbug 1.36 running under perl 5.10.0.


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The CGI documentation page [1] mentions the option -dtd for start_html but it 
does not document what values can actually be used for that option.

[1] <URL:http://perldoc.perl.org/CGI.html#CREATING-THE-HTML-DOCUMENT-HEADER>



[Please do not change anything below this line]
-----------------------------------------------------------------
---
Flags:
    category=library
    severity=low
---
This perlbug was built using Perl 5.10.0 - Wed Mar 24 11:39:55 UTC 2010
It is being executed now by  Perl 5.10.0 - Wed Mar 24 11:34:27 UTC 2010.

Site configuration information for perl 5.10.0:

Configured by abuild at Wed Mar 24 11:34:27 UTC 2010.

Summary of my perl5 (revision 5 version 10 subversion 0) configuration:
  Platform:
    osname=linux, osvers=2.6.31, archname=x86_64-linux-thread-multi
    uname='linux build32 2.6.31 #1 smp 2010-01-06 16:07:25 +0100 x86_64 x86_64 
x86_64 gnulinux '
    config_args='-ds -e -Dprefix=/usr -Dvendorprefix=/usr -Dinstallusrbinperl 
-Dusethreads -Di_db -Di_dbm -Di_ndbm -Di_gdbm -Duseshrplib=true -Doptimize=-
fmessage-length=0 -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector -funwind-
tables -fasynchronous-unwind-tables -g -Wall -pipe -Accflags=-
DPERL_USE_SAFE_PUTENV'
    hint=recommended, useposix=true, d_sigaction=define
    useithreads=define, usemultiplicity=define
    useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
    use64bitint=define, use64bitall=define, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -DPERL_USE_SAFE_PUTENV -
DDEBUGGING -fno-strict-aliasing -pipe -D_LARGEFILE_SOURCE -
D_FILE_OFFSET_BITS=64',
    optimize='-fmessage-length=0 -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-
protector -funwind-tables -fasynchronous-unwind-tables -g -Wall -pipe',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -DPERL_USE_SAFE_PUTENV -DDEBUGGING -
fno-strict-aliasing -pipe'
    ccversion='', gccversion='4.4.1 [gcc-4_4-branch revision 150839]', 
gccosandvers=''
    intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
    ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', 
lseeksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -L/usr/local/lib64'
    libpth=/lib64 /usr/lib64 /usr/local/lib64
    libs=-lm -ldl -lcrypt -lpthread
    perllibs=-lm -ldl -lcrypt -lpthread
    libc=/lib64/libc-2.10.1.so, so=so, useshrplib=true, libperl=libperl.so
    gnulibc_version='2.10.1'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E -Wl,-
rpath,/usr/lib/perl5/5.10.0/x86_64-linux-thread-multi/CORE'
    cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib64'

Locally applied patches:
    

---
@INC for perl 5.10.0:
    /usr/lib/perl5/5.10.0/x86_64-linux-thread-multi
    /usr/lib/perl5/5.10.0
    /usr/lib/perl5/site_perl/5.10.0/x86_64-linux-thread-multi
    /usr/lib/perl5/site_perl/5.10.0
    /usr/lib/perl5/vendor_perl/5.10.0/x86_64-linux-thread-multi
    /usr/lib/perl5/vendor_perl/5.10.0
    /usr/lib/perl5/vendor_perl
    .

---
Environment for perl 5.10.0:
    HOME=/home/krzysztof
    LANG=pl_PL.UTF-8
    LANGUAGE=
    LD_LIBRARY_PATH=/usr/lib64/mpi/gcc/openmpi/lib64
    LOGDIR (unset)
    PATH=/usr/lib64/mpi/gcc/openmpi/bin:/home/krzysztof/bin:/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/games:/usr/lib64/jvm/jre/bin:/usr/lib/mit/bin:/usr/lib/mit/sbin
    PERL_BADLANG (unset)
    SHELL=/bin/bash