fix(security): sanitize frontmatter, tag selectors and data URLs - #486

fix(security): sanitize frontmatter, tag selectors and data URLs#486

larbish wants to merge 3 commits into

maincomarkdown/comark:mainfrom

fix/security-props-and-frontmattercomarkdown/comark:fix/security-props-and-frontmatterCopy head branch name to clipboard