Uses the same env var for both scripts
Uses the same env var for both scripts

So that it's clear that they are using the same directory. Maybe it
would be better to have that info read from somewhere else.

This closes #2214.

tbrowder/doc,stmuk/doc,dmaestro/doc,stmuk/doc,perl6/doc,perl6/doc,tbrowder/doc,dmaestro/doc,perl6/doc,jonathanstowe/doc,tbrowder/doc,stmuk/doc,MasterDuke17/doc,jonathanstowe/doc,stmuk/doc,stmuk/doc,MasterDuke17/doc,dmaestro/doc,perl6/doc,MasterDuke17/doc,MasterDuke17/doc,perl6/doc,jonathanstowe/doc,tbrowder/doc,dmaestro/doc,jonathanstowe/doc,dmaestro/doc,jonathanstowe/doc