fixup! Publish target's "doc" setting when emitting metadata

Author: ayazhafiz

src/doc/man/cargo-metadata.md

@@ -127,6 +127,8 @@ The output has the following format:
                        This property is not included if no required features are set.
                     */
                     "required-features": ["feat1"],
+                    /* Whether the target should be documented by `cargo doc`. */
+                    "doc": true,
                     /* Whether or not this target has doc tests enabled, and
                        the target is compatible with doc testing.
                     */

src/doc/man/generated_txt/cargo-metadata.txt

@@ -122,6 +122,8 @@ OUTPUT FORMAT
                                   This property is not included if no required features are set.
                                */
                                "required-features": ["feat1"],
+                               /* Whether the target should be documented by `cargo doc`. */
+                               "doc": true,
                                /* Whether or not this target has doc tests enabled, and
                                   the target is compatible with doc testing.
                                */

src/doc/src/commands/cargo-metadata.md

@@ -127,6 +127,8 @@ The output has the following format:
                        This property is not included if no required features are set.
                     */
                     "required-features": ["feat1"],
+                    /* Whether the target should be documented by `cargo doc`. */
+                    "doc": true,
                     /* Whether or not this target has doc tests enabled, and
                        the target is compatible with doc testing.
                     */

src/etc/man/cargo-metadata.1

@@ -124,6 +124,8 @@ The output has the following format:
                        This property is not included if no required features are set.
                     */
                     "required\-features": ["feat1"],
+                    /* Whether the target should be documented by `cargo doc`. */
+                    "doc": true,
                     /* Whether or not this target has doc tests enabled, and
                        the target is compatible with doc testing.
                     */