--- a/PNGReader.st	Wed Jan 04 16:25:06 2017 +0100
+++ b/PNGReader.st	Tue Jan 17 22:56:03 2017 +0100
@@ -348,7 +348,9 @@
     colIncrement := #(8 8 4 4 2 2 1 ).
     rowIncrement := #(8 8 8 4 4 2 2 ).
 
-    zlibReader := ZipStream readOpenAsZipStreamOn:(globalDataChunk readStream) suppressHeaderAndChecksum:false.
+    zlibReader := ZipStream 
+                    readOpenAsZipStreamOn:(globalDataChunk readStream) 
+                    suppressHeaderAndChecksum:false.
     zlibReader binary.
 
     h := height.
@@ -413,7 +415,9 @@
 "/    n := ZipStream uncompress: globalDataChunk into: data.
 "/    self halt.
 
-    zlibReader := ZipStream readOpenAsZipStreamOn:(globalDataChunk readStream) suppressHeaderAndChecksum:false.
+    zlibReader := ZipStream 
+                    readOpenAsZipStreamOn:(globalDataChunk readStream) 
+                    suppressHeaderAndChecksum:false.
     zlibReader binary.
     bytesPerScanline := self bytesPerRow.
 
@@ -1259,7 +1263,9 @@
     |compressedByteStream compressedBytes zlibWriter bytesPerScanline idx|
 
     compressedByteStream := WriteStream on:(ByteArray new:100).
-    zlibWriter := ZipStream writeOpenAsZipStreamOn:compressedByteStream suppressHeaderAndChecksum:false.
+    zlibWriter := ZipStream 
+                    writeOpenAsZipStreamOn:compressedByteStream 
+                    suppressHeaderAndChecksum:false.
     zlibWriter binary.
 
     bytesPerScanline := self bytesPerRow.