message: Pass 'DeclareMathOperator's to mathjax
diff: @@ -130,7 +130,7 @@ export class HoverProvider implements vscode.HoverProvider {
  if (!configuration.get('hover.preview.newcommand.parseTeXFile.enabled') as boolean) {
  return commandsString
  }
  - const regex = /(\\(?:(?:(?:re)?new|provide)command(\*)?{\\[a-zA-Z]+}(?:\[[^\[\]\{\}]*\])*{.*})|\\(?:def\\[a-zA-Z]+(?:#[0-9])*{.*}))/gm
  + const regex = /(\\(?:(?:(?:(?:re)?new|provide)command|DeclareMathOperator)(\*)?{\\[a-zA-Z]+}(?:\[[^\[\]\{\}]*\])*{.*})|\\(?:def\\[a-zA-Z]+(?:#[0-9])*{.*}))/gm
  const commands: string[] = []
  const noCommentContent = content.replace(/([^\\]|^)%.*$/gm, '$1') // Strip comments
  let result
  