patch is with respect to  guile-2.2.2, in doc/ref

I believe #u8(0 1 2) is U8 array not U32.


--- api-data.texi.orig	2017-12-30 09:47:17.000000000 -0800
+++ api-data.texi	2017-12-30 09:47:49.000000000 -0800
@@ -7261,7 +7261,7 @@
 is a non-uniform array of rank 2; a 2@cross{}3 matrix with index ranges 0..1
 and 0..2.
 
-@item #u32(0 1 2)
+@item #u8(0 1 2)
 is a uniform u8 array of rank 1.
 
 @item #2u32@@2@@3((1 2) (2 3))