AMD: mark_difference()

eelbrain/plot/_decorations.py

@@ -16,6 +16,7 @@ def mark_difference(
         nudge: Union[bool, float] = None,
         location: Literal['top', 'bottom', 'left', 'right'] = 'top',
         ax: matplotlib.axes.Axes = None,
+        line_args: dict = None,
         **text_args,
 ):
     """Mark a pair of categories with a line and a label
@@ -43,6 +44,8 @@ def mark_difference(
         Location relative to plots.
     ax
         Axes to which to plot (default is ``pyplot.gca()``).
+    line_args
+        Additional parameters for :func:`matplotlib.pyplot.plot`.
     ...
         All other parameters are used to plot the text label with
         :meth:`matplotlib.axes.Axes.text`.
@@ -92,7 +95,10 @@ def mark_difference(
         xs, ys = ys, xs
         x_text, y_text = y_text, x_text
 
-    ax.plot(xs, ys, color=color)
+    line_args_ = {'color': color, 'clip_on': False}
+    if line_args:
+        line_args_.update(line_args)
+    ax.plot(xs, ys, **line_args_)
     if label:
         rotation = {'top': 0, 'left': 90, 'bottom': 180, 'right': 270}[location]
         args = {'ha': 'center', 'va': 'center', 'rotation': rotation, 'clip_on': False, **text_args}