Removed confusing explanation from 076

exercises/076_sentinels.zig

@@ -59,10 +59,8 @@ pub fn main() void {
     // demonstrate how they are similar and different.
     //
     // (It turns out that the array prints completely, including
-    // the sentinel 0 in the middle. The many-item pointer must
+    // the sentinel 0 in the middle. The many-item pointer stops
-    // stop at the first sentinel value. The difference is simply
+    // at the first sentinel value.)
-    // that arrays have a known length and many-item pointers
-    // don't.)
     printSequence(nums);
     printSequence(ptr);
 

patches/patches/076_sentinels.patch

@@ -1,8 +1,24 @@
-86c86
+38,40d37
+< // Important: the sentinel value must be of the same type as the
+< // data being terminated!
+< //
+56c53
+<     // numbers that both ends in and CONTAINS the sentinel value.
+---
+>     // numbers that both ends in and CONTAINS the sentinal value.
+62,63c59,62
+<     // the sentinel 0 in the middle. The many-item pointer stops
+<     // at the first sentinel value.)
+---
+>     // the sentinel 0 in the middle. The many-item pointer must
+>     // stop at the first sentinel value. The difference is simply
+>     // that arrays have a known length and many-item pointers
+>     // don't.)
+84c83
 <             for (???) |s| {
 ---
 >             for (my_seq) |s| {
-98c98
+96c95
 <             while (??? != my_sentinel) {
 ---
 >             while (my_seq[i] != my_sentinel) {