encoding: modernize Go documentation

Across all encoding packages, linkify declarations if possible.
In some cases, we convert a code block into a bulleted list,
which then further allows for more linkification.

Change-Id: I68fedf362615b34228bab5d4859b7d87d831c570
Reviewed-on: https://go-review.googlesource.com/c/go/+/524977
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: qiulaidongfeng <2645477756@qq.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>

1 files changed, 15 insertions, 14 deletions

diff --git a/src/encoding/json/encode.go b/src/encoding/json/encode.go
index 6fee1dc00b..9d6d7adcef 100644
--- a/src/encoding/json/encode.go
+++ b/src/encoding/json/encode.go
@@ -42,17 +42,17 @@ import (
 //
 // Boolean values encode as JSON booleans.
 //
-// Floating point, integer, and Number values encode as JSON numbers.
+// Floating point, integer, and [Number] values encode as JSON numbers.
 // NaN and +/-Inf values will return an [UnsupportedValueError].
 //
 // String values encode as JSON strings coerced to valid UTF-8,
 // replacing invalid bytes with the Unicode replacement rune.
 // So that the JSON will be safe to embed inside HTML <script> tags,
-// the string is encoded using HTMLEscape,
+// the string is encoded using [HTMLEscape],
 // which replaces "<", ">", "&", U+2028, and U+2029 are escaped
 // to "\u003c","\u003e", "\u0026", "\u2028", and "\u2029".
-// This replacement can be disabled when using an Encoder,
-// by calling SetEscapeHTML(false).
+// This replacement can be disabled when using an [Encoder],
+// by calling [Encoder.SetEscapeHTML](false).
 //
 // Array and slice values encode as JSON arrays, except that
 // []byte encodes as a base64-encoded string, and a nil slice
@@ -109,7 +109,7 @@ import (
 // only Unicode letters, digits, and ASCII punctuation except quotation
 // marks, backslash, and comma.
 //
-// Anonymous struct fields are usually marshaled as if their inner exported fields
+// Embedded struct fields are usually marshaled as if their inner exported fields
 // were fields in the outer struct, subject to the usual Go visibility rules amended
 // as described in the next paragraph.
 // An anonymous struct field with a name given in its JSON tag is treated as
@@ -136,11 +136,11 @@ import (
 // a JSON tag of "-".
 //
 // Map values encode as JSON objects. The map's key type must either be a
-// string, an integer type, or implement encoding.TextMarshaler. The map keys
+// string, an integer type, or implement [encoding.TextMarshaler]. The map keys
 // are sorted and used as JSON object keys by applying the following rules,
 // subject to the UTF-8 coercion described for string values above:
 //   - keys of any string type are used directly
-//   - encoding.TextMarshalers are marshaled
+//   - [encoding.TextMarshalers] are marshaled
 //   - integer keys are converted to strings
 //
 // Pointer values encode as the value pointed to.
@@ -151,7 +151,7 @@ import (
 //
 // Channel, complex, and function values cannot be encoded in JSON.
 // Attempting to encode such a value causes Marshal to return
-// an UnsupportedTypeError.
+// an [UnsupportedTypeError].
 //
 // JSON cannot represent cyclic data structures and Marshal does not
 // handle them. Passing cyclic structures to Marshal will result in
@@ -169,7 +169,7 @@ func Marshal(v any) ([]byte, error) {
 	return buf, nil
 }
 
-// MarshalIndent is like Marshal but applies Indent to format the output.
+// MarshalIndent is like [Marshal] but applies [Indent] to format the output.
 // Each JSON element in the output will begin on a new line beginning with prefix
 // followed by one or more copies of indent according to the indentation nesting.
 func MarshalIndent(v any, prefix, indent string) ([]byte, error) {
@@ -191,7 +191,7 @@ type Marshaler interface {
 	MarshalJSON() ([]byte, error)
 }
 
-// An UnsupportedTypeError is returned by Marshal when attempting
+// An UnsupportedTypeError is returned by [Marshal] when attempting
 // to encode an unsupported value type.
 type UnsupportedTypeError struct {
 	Type reflect.Type
@@ -201,7 +201,7 @@ func (e *UnsupportedTypeError) Error() string {
 	return "json: unsupported type: " + e.Type.String()
 }
 
-// An UnsupportedValueError is returned by Marshal when attempting
+// An UnsupportedValueError is returned by [Marshal] when attempting
 // to encode an unsupported value.
 type UnsupportedValueError struct {
 	Value reflect.Value
@@ -212,9 +212,9 @@ func (e *UnsupportedValueError) Error() string {
 	return "json: unsupported value: " + e.Str
 }
 
-// Before Go 1.2, an InvalidUTF8Error was returned by Marshal when
+// Before Go 1.2, an InvalidUTF8Error was returned by [Marshal] when
 // attempting to encode a string value with invalid UTF-8 sequences.
-// As of Go 1.2, Marshal instead coerces the string to valid UTF-8 by
+// As of Go 1.2, [Marshal] instead coerces the string to valid UTF-8 by
 // replacing invalid bytes with the Unicode replacement rune U+FFFD.
 //
 // Deprecated: No longer used; kept for compatibility.
@@ -226,7 +226,8 @@ func (e *InvalidUTF8Error) Error() string {
 	return "json: invalid UTF-8 in string: " + strconv.Quote(e.S)
 }
 
-// A MarshalerError represents an error from calling a MarshalJSON or MarshalText method.
+// A MarshalerError represents an error from calling a
+// [Marshaler.MarshalJSON] or [encoding.TextMarshaler.MarshalText] method.
 type MarshalerError struct {
 	Type       reflect.Type
 	Err        error