Nikita Popov 0ed9065b4c Flexible doc: Validate and strip indentation
If indentation is invalid, we strip on a best-effort basis.

The error position information is not great, but I don't want to
introduce sub-token error positioning at this point in time.
2018-09-21 21:47:01 +02:00
..
2018-01-13 16:08:26 +01:00
2018-07-22 21:18:34 +02:00