fprintf(stderr, "XpuEnumerateMediumSourceSize: error parsing '%s'", medium_spec);
fprintf(stderr, "XpuEnumerateMediumSourceSize: error parsing '%s'\n", medium_spec);
Bool XpuEnumerateMediumSourceSizes( Display *pdpy, XPContext pcontext,                                    const char **tray_name,                                    const char **medium_name, int *mbool,                                     float *ma1, float *ma2, float *ma3, float *ma4,                                    void **vcptr ){  const char *medium_spec;  const char *value = NULL;    if( pdpy && pcontext )  {    value = XpGetOneAttribute(pdpy, pcontext, XPPrinterAttr, "medium-source-sizes-supported");    if( !value )      return(False);  }  while(1)  {      medium_spec = XpuEnumerateXpAttributeValue(value, vcptr);        if( value )    {      XFree((void *)value);      value = NULL;    }    /* enumeration done? */    if( !medium_spec )      return(False);    if (XpuParseMediumSourceSize(medium_spec,                                  medium_name, mbool,                                  ma1, ma2, ma3, ma4))    {      *tray_name = XpuGetCurrentAttributeGroup(vcptr);      return(True);    }    else    {      /* Should never ever happen! */      fprintf(stderr, "XpuEnumerateMediumSourceSize: error parsing '%s'", medium_spec);    }  }  /* not reached */   }