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

prperte.fallbackTUncde =
          th._buldSleFntTUncde(prperte);
      }
      return Prme.relve(prperte.tUncde);
    }
    
    
    
    
    
    f (!prperte.cte ) {
      return Prme.relve(th._buldSleFntTUncde(prperte));
    }
    
    
     d
     A
    f (
      prperte.cte &&
      ((prperte.cMap.bultInCMap &&
        !(prperte.cMap ntancef IdenttyCMap)) ||
        (prperte.cdSytemInf.regtry === "Adbe" &&
          (prperte.cdSytemInf.rderng === "GB1" ||
            prperte.cdSytemInf.rderng === "CNS1" ||
            prperte.cdSytemInf.rderng === "Japan1" ||
            prperte.cdSytemInf.rderng === "Krea1")))
    ) {
       T
       a
       t