Fix [TOC] tag.
Steps to reproduce:
1) Wiki -> Edit Home
2) Ensure that syntax is markdown is selected.
3) Post the following tag:
4) Click Save
Expected result: TOC with links to other pages.
Actual result: empty page content.
Please fix the TOC, without marking of this issue as duplicate, because the
[TOC] tag still not working for the Home page and the markdown syntax.