This adds 'data-sourcepos' to tags, indicating which
line of markdown it came from. Sets the stage for
intelligently manipulating specific lines of markdown.
Caching the attributes as JSON and manually instantiating the record
ended-up very complex since the edge-cases such as upload fields,
serialized fields, and fields with custom accessors had to be handled.
To ensure 3 points out of 4 are checked from https://gitlab.com/gitlab-org/gitlab-ce/issues/45175
we now include the Rails version in the cache key.
Signed-off-by: Rémy Coutable <remy@rymai.me>
Brett Walker
Lin Jen-Shin
George Tsiolis
Rémy Coutable