[librsvg/librsvg-2.50] Note that push_new_viewport() also sets a clip rectangle

[Federico Mena Quintero <federico src gnome org>]

commit 9538dfd78e44f1282659a5c4546e3d64f585dd89
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Sep 25 18:31:20 2020 -0500

    Note that push_new_viewport() also sets a clip rectangle

 rsvg_internals/src/drawing_ctx.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/rsvg_internals/src/drawing_ctx.rs b/rsvg_internals/src/drawing_ctx.rs
index 5c34d0b4..7f78aaf2 100644
--- a/rsvg_internals/src/drawing_ctx.rs
+++ b/rsvg_internals/src/drawing_ctx.rs
@@ -352,7 +352,7 @@ impl DrawingCtx {
         self.push_viewport(Viewport { transform, vbox })
     }
 
-    /// Creates a new coordinate space inside a viewport.
+    /// Creates a new coordinate space inside a viewport and sets a clipping rectangle.
     ///
     /// Note that this actually changes the `draw_ctx.cr`'s transformation to match
     /// the new coordinate space, but the old one is not restored after the