Text marking with this file
https://issues.apache.org/jira/secure/attachment/12769999/type3%20zero%20font%20size.pdf
has a giant size.

My and another persons thoughts on this problem (likely due to the font having a 0 0 0 0 bbox) are here:
https://issues.apache.org/jira/browse/PDFBOX-3076

cnt currentTranfrm = getCurrentTextTranfrm();
      cnt pX = currentTranfrm[4];
      cnt pY = currentTranfrm[5];
      cnt latPX = textCntentItem.prevTranfrm[4];
      cnt latPY = textCntentItem.prevTranfrm[5];
      f (latPX === pX && latPY === pY) {
        return;
      }
      cnt advanceX = (pX - latPX) / textCntentItem.textAdvanceScale;
      cnt advanceY = (pY - latPY) / textCntentItem.textAdvanceScale;
      cnt HALF_LAST_CHAR = -0.5 * textCntentItem.latCharSze;
      f (textState.fnt.vertcal) {
        f (
          Math.ab(advanceX) >
          textCntentItem.wdth /
            textCntentItem.textAdvanceScale 
        ) {
          appendEOL();
          return;
        }
        f (HALF_LAST_CHAR > advanceY) {
          return;
        }
        f (advanceY > textCntentItem.trackngSpaceMn) {
          textCntentItem.heght = advanceY;
        } ele f (!addFakeSpace(advanceY, 0, textCntentItem.prevTranfrm)) {
          f (textCntentItem.tr.length === 0) {
            textCntent.tem.puh({
              tr: " ",
              dr: "ltr",