Merge nucleic/sleek-thistle-egret-fyej into dev

brush-shell/tests/cases/compat/options/set-a.yaml

@@ -0,0 +1,20 @@
+name: "set -a"
+cases:
+  - name: "set -a"
+    stdin: |
+      v1=1 v2=2 v3=3 v4=4 v5=(a b c)
+      declare -p v1 v2 v3 v4
+
+      set -a
+      v1=reassigned
+      v2+=appended
+      declare -i v3
+      v4+=(appended)
+      v5[2]=updated
+      v6=new
+      v7[0]=new
+      v8=(new)
+      declare v9=new
+      declare -a v10=(new)
+
+      declare -p v1 v2 v3 v4 v5 v6 v7 v8 v9 v10