WaterDoc: thing.concat - a defmethod
Contract "".<concat rest=required />
Tests
<concat "abc" "def"/>
result="abcdef"
"hey".<concat "you"/>
result="heyyou"
Returns a string of the concatenation of calling to_html on "_subject" plus each of the rest arguments. _subject defaults to "".
Example: "abc".<concat "def" "ghi"/> result="abcdefhi"
Example: <concat "def" "ghi"/> result="defghi"