* Causes extra work for some transitive dependencies that we don't
actually care about. For example, changing index causes
plugins/brokenlinks to update in the first pass; if there's a second
pass, plugins/map is then updated, because it depends on plugins/brokenlinks.
(Of course, this is just a special case of the issue that a real
modification to plugins/brokenlinks causes an unnecessary update of plugins/map,
* Causes extra work for some transitive dependencies that we don't
actually care about. For example, changing index causes
plugins/brokenlinks to update in the first pass; if there's a second
pass, plugins/map is then updated, because it depends on plugins/brokenlinks.
(Of course, this is just a special case of the issue that a real
modification to plugins/brokenlinks causes an unnecessary update of plugins/map,