-RAZF format. This is an alternative indexable compression format. It
-supports arithmetic between file offsets, at the cost of increased index
-file size and the full compatibility with gzip. RAZF is optional and
-only used in `faidx' for indexing RAZF compressed fasta files.
+RAZF format, an alternative indexable compression format. RAZF supports
+arithmetic between file offsets, at the cost of increased index file
+size and the full compatibility with gzip. RAZF is optional and only
+used in `faidx' for indexing RAZF compressed fasta files.