On Monday, June 29, 2015 at 11:53:16 AM UTC-5, John MacFarlane wrote:

>   --from markdown-yaml_metadata_block (from markdown minus the yaml

You don't want this; it turns off pandoc's ability to
*recognize* YAML blocks.

Can you give a specific example that produces the warning?
You might just need to follow YAML escaping rules.  (E.g.
if you have a colon in the title.)

BAD:

title:  Hamlet: Or, the Prince of Denmark

GOOD:

title:  'Hamlet: Or, the Prince of Denmark'

or

title:  |
  Hamlet: Or, the Prince of Denmark

Thanks, John, I'll just try adding quotes

Here's the actual yaml. So maybe it's the underscore?

---
Created: 16-April-2015
File: Nash_Chapel.md
---

Thank you

Rick Dooling