do not print refname if file is converted from VCF
do not print refname if file is converted from VCF


dondelelcaro/samtools,lh3/samtools-legacy,mcshane/samtools,Kontakter/samtools,lh3/samtools-legacy,Kontakter/samtools,mcshane/samtools,Kontakter/samtools,kdmurray91/samtools,peterjc/samtools,mcshane/samtools,peterjc/samtools,dondelelcaro/samtools,kdmurray91/samtools,dondelelcaro/samtools,lh3/samtools-legacy,Kontakter/samtools,kdmurray91/samtools,peterjc/samtools,Kontakter/samtools,mcshane/samtools,mcshane/samtools,kdmurray91/samtools,lh3/samtools-legacy,mcshane/samtools,peterjc/samtools,dondelelcaro/samtools,peterjc/samtools,kdmurray91/samtools,dondelelcaro/samtools,lh3/samtools-legacy