If I try to preview a post with the following, it fails, with “Preview failed to load!” and a 403 error logged in the browser console. It also fails if I enclose it in code (single backticks) or code block markup (three backticks or three tildes). The opening curly brace can also be substituted with other characters and still error: (
, -
, /
, .
, and assuredly many others I haven’t tried - while others don’t cause an error, such as _
, 0
, a
, @
…
Obviously, I haven’t tried submitting it until now, we’ll see what happens…
[edit] It put me through a CloudFlare test and then, obviously, posted successfully. So, I guess it’s a problem just with previewing.
onload = {