cmd/zclfmt: new options for checking validity of input files
cmd/zclfmt: new options for checking validity of input files

hashicorp/hcl,hashicorp/hcl,hashicorp/hcl,strivecast/hcl,strivecast/hcl,zclconf/go-zcl,zclconf/go-zcl,strivecast/hcl,strivecast/hcl,hashicorp/hcl,strivecast/hcl,zclconf/go-zcl,hashicorp/hcl