Merge pull request
#13274 from meeseeksmachine/auto-backport-of-pr-13267-on-7.x...
Merge pull request
#13274 from meeseeksmachine/auto-backport-of-pr-13267-on-7.x
Backport PR
#13267 on branch 7.x (Document that `%run` can execute notebooks and ipy scripts.)