Index: libcfa/src/collections/array.hfa
===================================================================
--- libcfa/src/collections/array.hfa	(revision 8ee211d29f63ed8c631e2d37e8961781dfa45eaf)
+++ libcfa/src/collections/array.hfa	(revision 5db913f46e93b12eef193c9ac4a156a1a6b97739)
@@ -1,5 +1,4 @@
 #pragma once
 
-//#include <assert.h>
 
 
@@ -9,11 +8,12 @@
 
 #ifdef __CFA_DEBUG__
+// FIXME: `len` printing format %ld is a workaround for #269; once fixed, it should be %zd
 #define subcheck( arr, sub, len ) \
 	if ( (sub) < 0 || (sub) >= (len) ) \
-		abort( "subscript %ld exceeds dimension range [0,%zd) for array %p.\n", \
+		abort( "Subscript %ld exceeds dimension range [0,%ld) for array %p.\n", \
 			   (sub), (len), (arr) )
 #define subchecku( arr, sub, len ) \
 	if ( (sub) >= (len) ) \
-		abort( "subscript %ld exceeds dimension range [0,%zd) for array %p.\n", \
+		abort( "Subscript %ld exceeds dimension range [0,%ld) for array %p.\n", \
 			   (sub), (len), (arr) )
 #else