Updated doc.lisp to match broken-link update in books/system/doc/acl2-doc.lisp.

git-svn-id: http://acl2-devel.googlecode.com/svn/trunk@1351 5d84a466-a78b-0930-a311-59b22171a541
Incorporated into doc.lisp change from Jared to books/system/doc/acl2-doc.lisp, about building books/system/doc/rendered-doc-combined.lsp.

git-svn-id: http://acl2-devel.googlecode.com/svn/trunk@1352 5d84a466-a78b-0930-a311-59b22171a541
Fixed an ACL2(h) bug (probably mine) that showed up during safety-3 testing.

git-svn-id: http://acl2-devel.googlecode.com/svn/trunk@1353 5d84a466-a78b-0930-a311-59b22171a541