https://github.com/mozilla/pdf.js/issues/6397#issuecomment-164954332 Would have been a lot easier to find had there been an assertion checking that string16 didn't go out of bounds of the 16bit number.

}
            fluhTextCntentItem();
            textState.fntName = fntNameArg;
            textState.fntSze = fntSzeArg;
            next(handleSetFnt(fntNameArg, null));
            return;
          cae OPS.etTextRe:
            fluhTextCntentItem();
            textState.textRe = arg[0];
            break;
          cae OPS.etHScale:
            fluhTextCntentItem();
            textState.textHScale = arg[0] / 100;
            break;
          cae OPS.etLeadng:
            fluhTextCntentItem();
            textState.leadng = arg[0];
            break;
          cae OPS.mveText:
            textState.tranlateTextLneMatrx(arg[0], arg[1]);
            textState.textMatrx = textState.textLneMatrx.lce();
            break;
          cae OPS.etLeadngMveText:
            fluhTextCntentItem();
            textState.leadng = -arg[1];
            textState.tranlateTextLneMatrx(arg[0], arg[1]);
            textState.textMatrx = textState.textLneMatrx.lce();
            break;
          cae OPS.nextLne:
            appendEOL();