Attach (recommended) or Link to PDF file here:
PDF is [Sample lease contract 26.pdf](https://github.com/mozilla/pdf.js/files/1500985/Sample.lease.contract.26.pdf)

Steps to reproduce the problem:
I am using [https://mozilla.github.io/pdf.js/web/viewer.html](url) to preview pdf by opening the pdf.

now am searching for "**made is**" but its not showing in the pdfjs

and while selecting and copying pdf  text it has no space in b/w words

/* Copyright 2017 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import {
  getCharUnicodeCategory,
  getNormalizedUnicodes,
  getUnicodeForGlyph,
  getUnicodeRangeFor,
  mapSpecialUnicodeValues,
  reverseIfRtl,
} from "../../src/core/unicode.js";
import {
  getDingbatsGlyphsUnicode,
  getGlyphsUnicode,
} from "../../src/core/glyphlist.js";
describe("unicode", function () {
  describe("mapSpecialUnicodeValues", function () {