Tweaks to sys.flags description table.
The options listed in the table are now links to their documentation,
and the table uses compact markup to make it easier to read and edit.
First proposed in #10998.
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index ba2ae5c..12f861b 100644
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -269,39 +269,25 @@
    The struct sequence *flags* exposes the status of command line flags. The
    attributes are read only.
 
-   +------------------------------+------------------------------------------+
-   | attribute                    | flag                                     |
-   +==============================+==========================================+
-   | :const:`debug`               | -d                                       |
-   +------------------------------+------------------------------------------+
-   | :const:`py3k_warning`        | -3                                       |
-   +------------------------------+------------------------------------------+
-   | :const:`division_warning`    | -Q                                       |
-   +------------------------------+------------------------------------------+
-   | :const:`division_new`        | -Qnew                                    |
-   +------------------------------+------------------------------------------+
-   | :const:`inspect`             | -i                                       |
-   +------------------------------+------------------------------------------+
-   | :const:`interactive`         | -i                                       |
-   +------------------------------+------------------------------------------+
-   | :const:`optimize`            | -O or -OO                                |
-   +------------------------------+------------------------------------------+
-   | :const:`dont_write_bytecode` | -B                                       |
-   +------------------------------+------------------------------------------+
-   | :const:`no_user_site`        | -s                                       |
-   +------------------------------+------------------------------------------+
-   | :const:`no_site`             | -S                                       |
-   +------------------------------+------------------------------------------+
-   | :const:`ignore_environment`  | -E                                       |
-   +------------------------------+------------------------------------------+
-   | :const:`tabcheck`            | -t or -tt                                |
-   +------------------------------+------------------------------------------+
-   | :const:`verbose`             | -v                                       |
-   +------------------------------+------------------------------------------+
-   | :const:`unicode`             | -U                                       |
-   +------------------------------+------------------------------------------+
-   | :const:`bytes_warning`       | -b                                       |
-   +------------------------------+------------------------------------------+
+   ============================= ===================================
+   attribute                     flag
+   ============================= ===================================
+   :const:`debug`                :option:`-d`
+   :const:`py3k_warning`         :option:`-3`
+   :const:`division_warning`     :option:`-Q`
+   :const:`division_new`         :option:`-Qnew <-Q>`
+   :const:`inspect`              :option:`-i`
+   :const:`interactive`          :option:`-i`
+   :const:`optimize`             :option:`-O` or :option:`-OO`
+   :const:`dont_write_bytecode`  :option:`-B`
+   :const:`no_user_site`         :option:`-s`
+   :const:`no_site`              :option:`-S`
+   :const:`ignore_environment`   :option:`-E`
+   :const:`tabcheck`             :option:`-t` or :option:`-tt <-t>`
+   :const:`verbose`              :option:`-v`
+   :const:`unicode`              :option:`-U`
+   :const:`bytes_warning`        :option:`-b`
+   ============================= ===================================
 
    .. versionadded:: 2.6