notes

Author: ywwg

expfmt/encode.go

@@ -21,9 +21,8 @@ import (
 	"google.golang.org/protobuf/encoding/protodelim"
 	"google.golang.org/protobuf/encoding/prototext"
 
-	"github.com/prometheus/common/model"
-
 	"github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg"
+	"github.com/prometheus/common/model"
 
 	dto "github.com/prometheus/client_model/go"
 )

model/metric.go

@@ -58,7 +58,9 @@ const (
 type EscapingScheme int
 
 const (
-	// NoEscaping indicates that a name will not be escaped.
+	// NoEscaping indicates that a name will not be escaped. Unescaped names that
+	// do not conform to the legacy validity check will use a new exposition
+	// format syntax that will be officially standardized in future versions.
 	NoEscaping EscapingScheme = iota
 
 	// UnderscoreEscaping replaces all legacy-invalid characters with underscores.