diff --git a/cc_strings.c b/cc_strings.c
index 0612400..0bef54c 100644
--- a/cc_strings.c
+++ b/cc_strings.c
@@ -82,6 +82,8 @@ int escape_lookup(char* c)
 		return t1 + t2;
 	}
 	else if(c[1] == '0') return 0;
+	else if(c[1] == 'a') return 7;
+	else if(c[1] == 'b') return 8;
 	else if(c[1] == 't') return 9;
 	else if(c[1] == 'n') return 10;
 	else if(c[1] == 'v') return 11;
diff --git a/test/test.answers b/test/test.answers
index 8844485..dae6388 100644
--- a/test/test.answers
+++ b/test/test.answers
@@ -53,10 +53,10 @@ a9cf4422e05075395ad75bbfe4b2659aec4541edd46d8c6b5064d3496b06a0b6  test/results/t
 1154f39f25dcd6d914e9a542306f95280926baf985d011b2152c7ea0b87ab42d  test/results/test10-knight-native-binary
 c1b5a2a3cd46c5e95e5540e871c2a916e028684ca80f51c001ef489342e27625  test/results/test10-knight-posix-binary
 b3e13d54aab689137628fb9c4487bfd8288f9bd18bef8fe756577c8d2dce1f1f  test/results/test10-x86-binary
-417ad7db393d6b81ec0dc0fb26b426b9ddd9038cf0645d53131af8698cf65097  test/results/test100-amd64-binary
-0c03b5826145cfdd0ef7bb9e8d1c2fc3abdac86b0fa57806da80154c1972f314  test/results/test100-armv7l-binary
-0ce1baf73766c193bd2aece2ac6caf485dbe0d2c54901d15f2095a2df739323e  test/results/test100-knight-posix-binary
-67e558164795211e0ccd4e0564d0f0d41b76800df97a635c07bdf63d0cf9feda  test/results/test100-x86-binary
+52a174a84c3d3c9ab23ebc527dd154a48e5fcaab827266804594d4256d7ee888  test/results/test100-amd64-binary
+2ac769acac9ca48470cedab3bf1e8bb5b3730deabeb42f17484977ce08ccc1f8  test/results/test100-armv7l-binary
+8e784d7557476e0df6b529b61fb5f936354200e25c89655bd1514233ab9e5ed9  test/results/test100-knight-posix-binary
+a15139bca25c0219cca8827ba183d6542c06b9ee022ae2f5d62afe758d975f01  test/results/test100-x86-binary
 34e6d535e30ef8826a4ad1a4d08b76cfa370c54595599ad3be784b64c9cd8ec5  test/results/test11-amd64-binary
 d9d465340abbce2d5964a6bc58e6cdd0ef93fb3d0199eaa823c86ec6abd0452a  test/results/test11-armv7l-binary
 955b564d2c89abf2cfc6c80d766cd11479d146b828dec69e654b0958a62d5e6e  test/results/test11-knight-native-binary
diff --git a/test/test100/proof.answer b/test/test100/proof.answer
index 03589b5..094de0c 100644
--- a/test/test100/proof.answer
+++ b/test/test100/proof.answer
@@ -1 +1 @@
-093748f4d5efd09b0b40b7aa7781e1ad3ae7a24e01b43838dcbf0692c5d1a9d3  test/test100/proof
+e289fda2a1f9ef3c0b52c7c580cf1ce35e4a3f720094fe01eba4840a9e5aa651  test/test100/proof