Chapter renumber, and split ch 17

Renumber chapters 10a, 10b, 11, 12, 13, 14 -> 10, 11, 13, 12, [11,14].
Split ch 17 into a 17a and 17b; shuffle around im/mutable syntax to be consistent, and present it more slowly.
THe new immutable syntax is pushed through all later chapters

1 files changed, 1 insertions, 1 deletions

diff --git a/chapter23/src/main/smp/sys.smp b/chapter23/src/main/smp/sys.smp
index cda93abe..6a6d3ca3 100644
--- a/chapter23/src/main/smp/sys.smp
+++ b/chapter23/src/main/smp/sys.smp
@@ -154,7 +154,7 @@ struct sys {
     // parseAryI64 & aryi64.str are bijections modulo whitespace.
     // Returns null if the parse failed.
     val parseAryI64 = { u8[~] str ->
-        sys.Scan !s = new sys.Scan{ buf = str; };
+        !sys.Scan !s = new sys.Scan{ buf = str; };
         if( !s.match('[') ) return null;
         // Array of parsed results
         var nums = new sys.aryi64{ buf=new i64[1]; };