Link to individual rcParams descriptions

Author: timhoffm

lib/matplotlib/rcsetup.py

@@ -3281,6 +3281,8 @@ def _generate_rst():
 """
     for param in _params:
         text += f"""
+.. _rcparam_{param.name.replace('.', '_')}:
+
 {param.name}: ``{param.default!r}``
     {param.description if param.description else "*no description*"}
 """

lib/matplotlib/sphinxext/roles.py

@@ -83,8 +83,8 @@ def _depart_query_reference_node(self, node):
 # typically to the first relevant parameter in the group.
 _RC_WILDCARD_LINK_MAPPING = {
     "animation.[name-of-encoder]_args": "animation.ffmpeg_args",
-    "figure.subplot.*": "figure.subplot.left",
-    "figure.subplot.[name]": "figure.subplot.left",
+    "figure.subplot.*": "figure.subplot-left",
+    "figure.subplot.[name]": "figure.subplot-left",
     "font.*": "font.family",
     "lines.*": "lines.linewidth",
     "patch.*": "patch.edgecolor",