incorporate PGraphics contributed fix

Author: benfry

build/shared/revisions.md

@@ -33,6 +33,8 @@ This release incorporates several contributed fixes (see below) and a few additi
 
 * Debugger was listing immediate array dimension last, fix from @WillRabois04 [606](https://github.com/processing/processing4/issues/606), [729](https://github.com/processing/processing4/pull/729)
 
+* Second `beginDraw()` / `endDraw()` call clears `PGraphics` object when created w/ `P2D` [641](https://github.com/processing/processing4/issues/641), [728](https://github.com/processing/processing4/pull/728)
+
 
 # Processing 4.2
 

core/todo.txt

@@ -4,6 +4,11 @@ X   https://github.com/processing/processing4/issues/740
 X Use calculated text height instead of OS ascent for better vertical centering
 X   https://github.com/processing/processing4/issues/739
 
+contribs
+X Second beginDraw / endDraw call clears PGraphics object when created w/ P2D
+X   https://github.com/processing/processing4/issues/641
+X   https://github.com/processing/processing4/pull/728
+
 
 _ JNA version of getting resolution
 _   https://stackoverflow.com/a/32588375