987241ea99c99b93aea51bb63bdf579f927e9d2b
kent
  Wed Oct 7 13:46:09 2015 -0700
Fixing copyright on some old essentially public domain files.

diff --git src/inc/nt4.h src/inc/nt4.h
index a04e382..e449548 100644
--- src/inc/nt4.h
+++ src/inc/nt4.h
@@ -1,45 +1,45 @@
-/*****************************************************************************
- * Copyright (C) 2000 Jim Kent.  This source code may be freely used         *
- * for personal, academic, and non-profit purposes.  Commercial use          *
- * permitted only by explicit agreement with Jim Kent (jim_kent@pacbell.net) *
- *****************************************************************************/
+/* nt4 - routines to access DNA stored 2 bits at a time (N's can't be stored) 
+ *
+ * This file is copyright 2000 Jim Kent, but license is hereby
+ * granted for all use - public, private or commercial. */
+
 #ifndef NT4_H
 #define NT4_H
 
 #ifndef DNAUTIL_H
 #include "dnautil.h"
 #endif
 
 struct nt4Seq
 /* A packed (2 bits per nucleotide) sequence.  'N's are
  * converted to 'T's. */
     {
     struct nt4Seq *next;	/* Next in list. */
     bits32 *bases;              /* Packed bases. */
     int baseCount;              /* Number of bases. */
     char *name;                 /* Name of sequence. */
     };
 
 struct nt4Seq *newNt4(DNA *dna, int size, char *name);
 /* Create a new DNA seq with 2 bits per base pair. */
 
 void freeNt4(struct nt4Seq **pSeq);
 /* Free up DNA seq with 2 bits per base pair */
 
 struct nt4Seq *loadNt4(char *fileName, char *seqName);
 /* Load up an nt4 sequence from a file. */
 
 void  saveNt4(char *fileName, DNA *dna, bits32 dnaSize);
 /* Save dna in an NT4 file. */
 
 int nt4BaseCount(char *fileName);
 /* Return number of bases in NT4 file. */
 
 DNA *nt4Unpack(struct nt4Seq *n, int start, int size);
 /* Create an unpacked section of nt4 sequence.  */
 
 DNA *nt4LoadPart(char *nt4FileName, int start, int size);
 /* Load part of an nt4 file. */
 
 #endif /* _4NT_H */