Warn of interop issues w/Markdown extensions (3.2.0 port of 3861 9/11)
Thanks to @lornajane for the review feedback.
H
Henry H. Andrews committed
6e1b94cb92b5afad156f49bfb91c9df6d5b8552f
Parent: 89c1d21
Thanks to @lornajane for the review feedback.