Changed delimiter to \n

Author: radarhere

Tests/test_file_gif.py

@@ -813,10 +813,10 @@ def test_zero_comment_subblocks():
         assert_image_equal_tofile(im, TEST_GIF)
 
 
-def test_read_multiple_comments():
+def test_read_multiple_comment_blocks():
     with Image.open("Tests/images/multiple_comments.gif") as im:
-        # Multiple comments in a frame are separated not concatenated
-        assert im.info["comment"] == b"Test comment 1\r\nTest comment 2"
+        # Multiple comment blocks in a frame are separated not concatenated
+        assert im.info["comment"] == b"Test comment 1\nTest comment 2"
 
 
 def test_version(tmp_path):

src/PIL/GifImagePlugin.py

@@ -228,15 +228,16 @@ def _seek(self, frame, update_image=True):
                     #
                     # comment extension
                     #
-                    # Collect one comment block
                     comment = b""
+
+                    # Collect one comment block
                     while block:
                         comment += block
                         block = self.data()
 
-                    # If multiple comments in frame, separate in info with \r\n
                     if "comment" in info:
-                        info["comment"] += b"\r\n" + comment
+                        # If multiple comment blocks in frame, separate with \n
+                        info["comment"] += b"\n" + comment
                     else:
                         info["comment"] = comment
                     s = None