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-rw-r--r--COMPATIBILITY13
1 files changed, 13 insertions, 0 deletions
diff --git a/COMPATIBILITY b/COMPATIBILITY
index 41474202aa..3c9a94fae2 100644
--- a/COMPATIBILITY
+++ b/COMPATIBILITY
@@ -49,3 +49,16 @@ of the following changes:
- The command "Load" is now atomic for backtracking (use "Unset
Atomic Load" for compatibility).
+
+
+Incompatibilities beyond 8.4...
+
+- Syntax: "x -> y" has now lower priority than "<->" "A -> B <-> C" is
+ now "A -> (B <-> C)"
+
+- Tactics: tauto and intuition no longer accidentally destruct binary
+ connectives or records other than and, or, prod, sum, iff. In most
+ of cases, dtauto or dintuition, though stronger than 8.3 tauto and
+ 8.3 intuition will provide compatibility.
+
+- "Solve Obligations using" is now "Solve Obligations with".