Which packages are in yum groupinstall "Web Server"?

On RHEL6, the following packages are installed when you do

yum groupinstall "Web Server"

on a RHEL6 minimal install:

===================================================================================
Package Arch Version
===================================================================================
Installing:
crypto-utils x86_64 2.4.1-24.2.el6
httpd x86_64 2.2.15-15.el6_2.1
httpd-manual noarch 2.2.15-15.el6_2.1
mod_perl x86_64 2.0.4-10.el6
mod_ssl x86_64 1:2.2.15-15.el6_2
mod_wsgi x86_64 3.2-1.el6
webalizer x86_64 2.21_02-3.3.el6
Installing for dependencies:
apr x86_64 1.3.9-5.el6_2
apr-util x86_64 1.3.9-3.el6_0.1
apr-util-ldap x86_64 1.3.9-3.el6_0.1
fontconfig x86_64 2.8.0-3.el6
freetype x86_64 2.3.11-6.el6_2.9
gd x86_64 2.0.35-10.el6
httpd-tools x86_64 2.2.15-15.el6_2.1
libX11 x86_64 1.3-2.el6
libX11-common noarch 1.3-2.el6
libXau x86_64 1.0.5-1.el6
libXpm x86_64 3.5.8-2.el6
libjpeg x86_64 6b-46.el6
libpng x86_64 2:1.2.49-1.el6_2
libxcb x86_64 1.5-1.el6
mailcap noarch 2.1.31-2.el6
perl x86_64 4:5.10.1-127.el6
perl-BSD-Resource x86_64 1.29.03-3.el6
perl-ExtUtils-MakeMaker x86_64 6.55-127.el6
perl-ExtUtils-ParseXS x86_64 1:2.2003.0-127.el
perl-Module-Pluggable x86_64 1:3.90-127.el6
perl-Newt x86_64 1.08-26.el6
perl-Pod-Escapes x86_64 1:1.04-127.el6
perl-Pod-Simple x86_64 1:3.13-127.el6
perl-Test-Harness x86_64 3.17-127.el6
perl-devel x86_64 4:5.10.1-127.el6
perl-libs x86_64 4:5.10.1-127.el6
perl-version x86_64 3:0.77-127.el6

I don't use webalizer, httpd-manual, mod_wsgi or mod_perl for standard installs (mostly Drupal), so the following is a more minimal version of the above:

yum install mod_ssl httpd

That results in far fewer packages:

===============================================================================
Package Arch Version
===============================================================================
Installing:
httpd x86_64 2.2.15-15.el6_2.1
mod_ssl x86_64 1:2.2.15-15.el6_2.1
Installing for dependencies:
apr x86_64 1.3.9-5.el6_2
apr-util x86_64 1.3.9-3.el6_0.1
apr-util-ldap x86_64 1.3.9-3.el6_0.1
httpd-tools x86_64 2.2.15-15.el6_2.1
mailcap noarch 2.1.31-2.el6

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