Commit b93264e88 for imagemagick.org

commit b93264e8863cc54863b23f56ecf169228a4478dc
Author: Dirk Lemstra <dirk@lemstra.org>
Date:   Sun Jul 12 17:49:16 2026 +0200

    Corrected IsPaletteImage check.

diff --git a/MagickCore/histogram.c b/MagickCore/histogram.c
index ef563d42a..3ae9cf371 100644
--- a/MagickCore/histogram.c
+++ b/MagickCore/histogram.c
@@ -873,7 +873,7 @@ MagickExport MagickBooleanType IsPaletteImage(const Image *image)
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
   if (image->storage_class != PseudoClass)
     return(MagickFalse);
-  return((image->colors <= 256) ? MagickTrue : MagickFalse);
+  return((image->colors <= MaxColormapSize) ? MagickTrue : MagickFalse);
 }

 /*