Commit 31c97ddb2 for imagemagick.org

commit 31c97ddb25ab278bbfee62739b0469eef8113ec3
Author: Cristy <urban-warrior@imagemagick.org>
Date:   Thu Jul 16 19:09:06 2026 -0400

    do not divide by alpha for plus op

diff --git a/MagickCore/composite.c b/MagickCore/composite.c
index 6ed7df921..baa5dadd2 100644
--- a/MagickCore/composite.c
+++ b/MagickCore/composite.c
@@ -3357,11 +3357,7 @@ MagickExport MagickBooleanType CompositeImage(Image *image,
           }
           case PlusCompositeOp:
           {
-            blend=Sa+Da;
-            if (blend > 0.0)
-              pixel=(double) QuantumRange*((Sca+Dca)/blend);
-            else
-              pixel=0.0;
+            pixel=(double) QuantumRange*(Sca+Dca);
             break;
           }
           case ReflectCompositeOp: