2ac935c8eb614926e850728cb41b36220dc04139
max
  Fri Aug 10 15:38:25 2018 -0700
oops, forget target _blank, refs #21895

diff --git src/inc/vcf.h src/inc/vcf.h
index 8dbd04b..36b5d61 100644
--- src/inc/vcf.h
+++ src/inc/vcf.h
@@ -165,31 +165,31 @@
     {
     case vcfInfoInteger:
 	fprintf(f, "%d", datum.datInt);
 	break;
     case vcfInfoFloat:
 	fprintf(f, "%f", datum.datFloat);
 	break;
     case vcfInfoFlag:
 	fprintf(f, "%s", datum.datString); // Flags could have values in older VCF
 	break;
     case vcfInfoCharacter:
 	fprintf(f, "%c", datum.datChar);
 	break;
     case vcfInfoString:
         if (startsWith("http", datum.datString))
-            fprintf(f, "<a href='%s'>%s</a>", datum.datString, datum.datString);
+            fprintf(f, "<a target=_blank href='%s'>%s</a>", datum.datString, datum.datString);
         else
             fprintf(f, "%s", datum.datString);
 	break;
     default:
 	errAbort("vcfPrintDatum: Unrecognized type %d", type);
 	break;
     }
 }
 
 #define VCF_IGNORE_ERRS (INT_MAX - 1)
 
 struct vcfFile *vcfFileNew();
 /* Return a new, empty vcfFile object. */
 
 struct vcfFile *vcfFileFromHeader(char *name, char *headerString, int maxErr);