-diff -ur mksh-56.orig/eval.c mksh-56/eval.c
---- mksh-56.orig/eval.c 2017-08-12 22:10:26.321676398 +0200
-+++ mksh-56/eval.c 2017-08-12 22:40:32.672676143 +0200
-@@ -1005,6 +1005,7 @@
+diff -ur mksh.orig/check.t mksh/check.t
+--- mksh.orig/check.t 2020-10-31 04:53:30.000000000 +0100
++++ mksh/check.t 2021-01-18 19:12:47.413180226 +0100
+@@ -2484,7 +2484,7 @@
+ !bc +bc ,bc 0bc 1bc ^bc cbc
+ !bc +bc ,bc -bc 0bc 1bc ^bc cbc
+ abc bbc
+- ^bc abc bbc
++ !bc +bc ,bc -bc 0bc 1bc ^bc cbc
+ +bc ,bc -bc
+ -bc 0bc 1bc
+ ---
+diff -ur mksh.orig/eval.c mksh/eval.c
+--- mksh.orig/eval.c 2020-05-05 23:34:54.000000000 +0200
++++ mksh/eval.c 2021-01-18 19:12:47.411180226 +0100
+@@ -1108,6 +1108,7 @@