improved docs

docs/source/info/features/crosscompatible.rst

@@ -4,7 +4,7 @@ Cross Compatibility
 
 .. _cc-linux:
 
-Linux
+Linux (pty, :ref:`tty/gpm <gpm_integration>`, :ref:`serial <serial_console>`)
 -----
 
 .. image:: https://ceccopierangiolieugenio.github.io/binaryRepo/pyTermTk/images/pyTermTk.CC.Linux.png

docs/source/info/resources/experimental.rst

@@ -23,6 +23,8 @@ set the environment variable **TERMTK_MOUSE** to `1` and run your application:
 
     TERMTK_MOUSE=1  demo/demo.py
 
+.. _gpm_integration:
+
 ----------------------------------------------------------------------------
 `GPM <https://wiki.archlinux.org/title/General_purpose_mouse>`__ Integration
 ----------------------------------------------------------------------------
@@ -54,6 +56,8 @@ To activate GPM support, set the **TERMTK_GPM** environment variable to `1`:
     * https://wiki.archlinux.org/title/General_purpose_mouse
     * https://www.geeksforgeeks.org/gpm-command-in-linux-with-examples
 
+.. _serial_console:
+
 --------------
 Serial Console
 --------------