.h.ha[x;y]
Where x is the href attribute as a symbol atom or a string, and y is the link
text as a string, returns as a string an HTML A element.
q).h.ha[`http://www.example.com;"Example.com Main Page"]
"<a href=http://www.example.com>Example.com Main Page</a>"
q).h.ha["http://www.example.com";"Example.com Main Page"]
"<a href=\"http://www.example.com\">Example.com Main Page</a>"