642866a58675db52d600ba3250bd12802c68c4a1
braney
  Tue Feb 19 11:42:19 2013 -0800
add a comment to twoBitOpenExt (#8072)
diff --git src/inc/twoBit.h src/inc/twoBit.h
index 9dade31..24ed823 100644
--- src/inc/twoBit.h
+++ src/inc/twoBit.h
@@ -193,16 +193,18 @@
  *     seqName
  *  or
  *     seqName:start-end
  */
 
 void twoBitSpecFree(struct twoBitSpec **specPtr);
 /* free a twoBitSpec object */
 
 void twoBitOutNBeds(struct twoBitFile *tbf, char *seqName, FILE *outF);
 /* output a series of bed3's that enumerate the number of N's in a sequence*/
 
 int twoBitSeqSizeNoNs(struct twoBitFile *tbf, char *seqName);
 /* return the length of the sequence, not counting N's */
 
 struct twoBitFile *twoBitOpenExt(char *fileName, boolean useUdc);
+/* Open file, read in header and index.  
+ * Squawk and die if there is a problem. */
 #endif /* TWOBIT_H */