Steps to reproduce:

1.Open the editor
2.Add a Hieroglyphic
3.When the cursor moves to the next line , add a heading and save the page

Observed Result:
The heading bar appears above the hiero where as the section edit options appear where the text of heading appears.The text styling for the heading changes to paragraph format.

The wikitext resulting from these actions is:

<hiero>A

</hiero>heading following hiero ==

Found in:http://en.wikipedia.beta.wmflabs.org/wiki/Nonexist
Test Environment: betalabs
Browser: Chrome Version 26.0.1410.65
OS: MAC OS X 10. 8. 5

Version: unspecified
Severity: normal