mod_rest: Fix json-mapping stanzas with text or whitespace between tags
Test:
jsonmap.st2json( st.message({}, "hi"):indent() )
---
labels:
- 'Stage-alpha'
summary: Enable ProtoXEP: Reminders support'
...
Introduction
============
`mod_reminders` implements ProtoXEP: Reminders.
Usage
=====
Place the sibling `mod_reminders.lua` somewhere under your
`plugins_path`.