message: not render cursor in tex commands
diff: @@ -55,11 +55,24 @@ export class HoverProvider implements vscode.HoverProvider {
  })
  }
  + private isCursorInTeXCommnad(document: vscode.TextDocument) : boolean {
  + const editor = vscode.window.activeTextEditor
  + if (!editor) {
  + return false
  + }
  + const cursor = editor.selection.active
  + const r = document.getWordRangeAtPosition(cursor, /\\(?:begin|end)\{.*?\}|\\[a-zA-Z]+\{?/)
  + if (r && r.start.isBefore(cursor) && r.end.isAfter(cursor) ) {
  + return true
  + }
  + return false
  + }
  +
  private renderCursor(document: vscode.TextDocument, range: vscode.Range) : string {
  const editor = vscode.window.activeTextEditor
  const configuration = vscode.workspace.getConfiguration('latex-workshop')
  const conf = configuration.get('hoverPreview.cursor.enabled') as boolean
  - if (editor && conf) {
  + if (editor && conf && !this.isCursorInTeXCommnad(document)) {
  const cursor = editor.selection.active
  const symbol = configuration.get('hoverPreview.cursor.symbol') as string
  const color = configuration.get('hoverPreview.cursor.color') as string
  