message: Tweak regexp.
diff: @@ -43,7 +43,7 @@ export class TeXMathEnvFinder {
  const t = this.findHoverOnTex(docOfRef, beginPos)
  if (t) {
  const beginEndRange = t.range
  - const refRange = document.getWordRangeAtPosition(position, /\S+\{.*?\}/)
  + const refRange = document.getWordRangeAtPosition(position, /\S+?\{.*?\}/)
  if (refRange && beginEndRange.contains(labelPos)) {
  t.range = refRange
  return t
  