Remove incorrect info about MarkerStyle(None)

Author: oscargus

lib/matplotlib/markers.py

@@ -64,11 +64,6 @@
                                       rotated by ``angle``.
 ============================== ====== =========================================
 
-As a deprecated feature, ``None`` also means 'nothing' when directly
-constructing a `.MarkerStyle`, but note that there are other contexts where
-``marker=None`` instead means "the default marker" (e.g. :rc:`scatter.marker`
-for `.Axes.scatter`).
-
 Note that special symbols can be defined via the
 :ref:`STIX math font <mathtext>`,
 e.g. ``"$\u266B$"``. For an overview over the STIX font symbols refer to the
@@ -227,24 +222,22 @@ def __init__(self, marker,
         """
         Parameters
         ----------
-        marker : str, array-like, Path, MarkerStyle, or None
-            - Another instance of *MarkerStyle* copies the details of that
-              ``marker``.
-            - *None* means no marker.  This is the deprecated default.
+        marker : str, array-like, Path, MarkerStyle
+            - Another instance of `MarkerStyle` copies the details of that *marker*.
             - For other possible marker values, see the module docstring
               `matplotlib.markers`.
 
         fillstyle : str, default: :rc:`markers.fillstyle`
             One of 'full', 'left', 'right', 'bottom', 'top', 'none'.
 
-        transform : transforms.Transform, default: None
+        transform : `~matplotlib.transforms.Transform`, optional
             Transform that will be combined with the native transform of the
             marker.
 
-        capstyle : `.CapStyle` or %(CapStyle)s, default: None
+        capstyle : `.CapStyle` or %(CapStyle)s, optional
             Cap style that will override the default cap style of the marker.
 
-        joinstyle : `.JoinStyle` or %(JoinStyle)s, default: None
+        joinstyle : `.JoinStyle` or %(JoinStyle)s, optional
             Join style that will override the default join style of the marker.
         """
         self._marker_function = None
@@ -309,10 +302,8 @@ def _set_marker(self, marker):
 
         Parameters
         ----------
-        marker : str, array-like, Path, MarkerStyle, or None, default: None
-            - Another instance of *MarkerStyle* copies the details of that
-              ``marker``.
-            - *None* means no marker.
+        marker : str, array-like, Path, MarkerStyle
+            - Another instance of `MarkerStyle` copies the details of that *marker*.
             - For other possible marker values see the module docstring
               `matplotlib.markers`.
         """
@@ -388,13 +379,13 @@ def get_user_transform(self):
         if self._user_transform is not None:
             return self._user_transform.frozen()
 
-    def transformed(self, transform: Affine2D):
+    def transformed(self, transform):
         """
         Return a new version of this marker with the transform applied.
 
         Parameters
         ----------
-        transform : `~matplotlib.transforms.Affine2D`, default: None
+        transform : `~matplotlib.transforms.Affine2D`
             Transform will be combined with current user supplied transform.
         """
         new_marker = MarkerStyle(self)
@@ -410,10 +401,10 @@ def rotated(self, *, deg=None, rad=None):
 
         Parameters
         ----------
-        deg : float, default: None
+        deg : float, optional
             Rotation angle in degrees.
 
-        rad : float, default: None
+        rad : float, optional
             Rotation angle in radians.
 
         .. note:: You must specify exactly one of deg or rad.
@@ -437,14 +428,14 @@ def scaled(self, sx, sy=None):
         """
         Return new marker scaled by specified scale factors.
 
-        If *sy* is None, the same scale is applied in both the *x*- and
+        If *sy* is not given, the same scale is applied in both the *x*- and
         *y*-directions.
 
         Parameters
         ----------
         sx : float
             *X*-direction scaling factor.
-        sy : float, default: None
+        sy : float, optional
             *Y*-direction scaling factor.
         """
         if sy is None:

lib/matplotlib/markers.pyi

@@ -26,7 +26,7 @@ class MarkerStyle:
 
     def __init__(
         self,
-        marker: str | ArrayLike | Path | MarkerStyle | None,
+        marker: str | ArrayLike | Path | MarkerStyle,
         fillstyle: FillStyleType | None = ...,
         transform: Transform | None = ...,
         capstyle: CapStyleType | None = ...,