Relative markdown links with double .. in rendered blobs are broken.
Created by: cirosantilli
On gitlab-test create a file files/markdown/rel.md containing [rel](../../README.md).
The rendered blob links to gitlab-org/gitlab-test/README.md (no branch) and breaks.
Live: https://gitlab.com/gitlab-org/gitlab-ce/blob/d0296fc9151024ef7cc43ca6906b46cb9cd9c7f9/doc/install/structure.md "keep a backup"
Whoever fixes this please add tests.