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

++ifLevel;
        } else if (op === 0x1b) {
          
          inELSE = ifLevel;
        } else if (op === 0x59) {
          
          if (inELSE === ifLevel) {
            inELSE = 0;
          }
          --ifLevel;
        } else if (op === 0x1c) {
          
          if (!inFDEF && !inELSE) {
            const offset = stack[stack.length - 1];
            
            if (offset > 0) {
              i += offset - 1;
            }
          }
        }
        
        if (!inFDEF && !inELSE) {
          let stackDelta = 0;
          if (op <= 0x8e) {
            stackDelta = TTOpsStackDeltas[op];
          } else if (op >= 0xc0 && op <= 0xdf) {
            stackDelta = -1;
          } else if (op >= 0xe0) {
            stackDelta = -2;
          }