Move errors to gemini.go

client.go

@@ -4,21 +4,12 @@ import (
 	"bufio"
 	"crypto/tls"
 	"crypto/x509"
-	"errors"
 	"io/ioutil"
 	"net"
 	"net/url"
 	"strconv"
 )
 
-// Client errors.
-var (
-	ErrInvalidURL            = errors.New("gemini: invalid URL")
-	ErrInvalidResponse       = errors.New("gemini: invalid response")
-	ErrCertificateUnknown    = errors.New("gemini: unknown certificate")
-	ErrCertificateNotTrusted = errors.New("gemini: certificate is not trusted")
-)
-
 // Request represents a Gemini request.
 type Request struct {
 	// URL specifies the URL being requested.