message: should not throw when backward SyncTeX failed.
diff: @@ -267,10 +267,14 @@ export class Locator {
  record = synctexjs.syncTexJsBackward(Number(data.page), data.pos[0], data.pos[1], pdfPath)
  } catch ( e ) {
  if (e instanceof Error) {
  + if (e.stack !== undefined) {
  + this.extension.logger.addLogMessage(e.stack)
  + } else {
  this.extension.logger.addLogMessage(e.message)
  }
  + }
  console.log(e)
  - throw(e)
  + return
  }
  } else {
  record = await this.invokeSyncTeXCommandBackward(data.page, data.pos[0], data.pos[1], pdfPath)
  