libxml2-tools from X11:Enlightenment:EWebKit project
Select Your Operating System
Add repository and install manually
For CentOS CentOS-6 run the following as root:
cd /etc/yum.repos.d/ wget https://download.opensuse.org/repositories/X11:Enlightenment:EWebKit/CentOS_CentOS-6/X11:Enlightenment:EWebKit.repo yum install libxml2-tools