Here is the answer:
Sublime Text > Preferences > Package Settings > OmniMarkupPreviewer > Settings - User
paste the following to remove the strikeout package.
{
"renderer_options-MarkdownRenderer": {
"extensions": ["tables", "fenced_code", "codehilite"]
}
}
原文:http://www.cnblogs.com/lurenq/p/6898595.html