Reimplement using Sphinx 4 APIs

- use ObjectDescription for IPRange
- reimplement data handling in IPDomain
- store target docname and anchors in data to avoid later lookups
- remove broken entries from index
- adapt tests

tests/root/conf.py

@@ -40,14 +40,14 @@ templates_path = ["_templates"]
 source_suffix = ".rst"
 
 # The encoding of source files.
-# source_encoding = 'utf-8-sig'
+# source_encoding = 'utf-8-ip_range'
 
 # The master toctree document.
 master_doc = "index"
 
 # General information about the project.
 project = "Sphinxext IP Tests"
-copyright = "2016, Jan Dittberner"
+copyright = "2016-2021, Jan Dittberner"
 author = "Jan Dittberner"
 
 # The version info for the project you're documenting, acts as replacement for
@@ -55,9 +55,9 @@ author = "Jan Dittberner"
 # built documents.
 #
 # The short X.Y version.
-version = "0.1.0"
+version = "0.5.0"
 # The full version, including alpha/beta/rc tags.
-release = "0.1.0"
+release = version + "-dev"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

tests/root/testpage3.rst

@@ -1,4 +1,5 @@
 Test page 3
 ===========
 
-This page contains :ip:v6:`2001:dead:beef::1` like :doc:`testpage2` does.
+This page contains :ip:v6:`2001:dead:beef::1` from :ip:v6range:`2001:dead:beef::/64`
+like :doc:`testpage2` does.