diff --git a/CHANGES b/CHANGES
index c438108..19b0597 100644
--- a/CHANGES
+++ b/CHANGES
@@ -3,6 +3,14 @@ The following are the changes from calc version 2.11.0t10 to date:
     Misc code cleanup.  Removed dead code.  Removed trailing whitespace.
     Fixed whitespace to make the best use of 8 character tabs.
 
+    Fixed some bugs relaing to '// and %' in combination with some
+    of the the rounding modes based on a patch from Ernest Bowen
+    <ernie@turing.une.edu.au>.
+
+    A patch from Klaus Alexander Seistrup <klaus@seistrup.dk>, when
+    used in combination with the GNU-readline facility, will prevent
+    it from saving empty lines.
+
 
 The following are the changes from calc version 2.11.0t8.9.1 to 2.11.0t9.4.5:
 
diff --git a/hist.c b/hist.c
index 0004593..83bc797 100644
--- a/hist.c
+++ b/hist.c
@@ -1523,7 +1523,7 @@ hist_saveline(char *line, int len)
 {
 	static char *prev = NULL;
 
-	if (!len)
+	if (len <= 1)
 		return;
 
 	/* ignore if identical with previous line */
diff --git a/version.c b/version.c
index 9047438..adef41f 100644
--- a/version.c
+++ b/version.c
@@ -18,7 +18,7 @@ static char *program;
 #define MAJOR_VER	2	/* major version */
 #define MINOR_VER	11	/* minor version */
 #define MAJOR_PATCH	0	/* patch level or 0 if no patch */
-#define MINOR_PATCH	"10"	/* test number or empty string if no patch */
+#define MINOR_PATCH	"10.1"	/* test number or empty string if no patch */
 
 /*
  * calc version constants
diff --git a/zmath.c b/zmath.c
index 6d4a984..d028999 100644
--- a/zmath.c
+++ b/zmath.c
@@ -735,9 +735,9 @@ done:	while (m > 0 && A[m - 1] == 0)
 		if (s) {
 			while (--i > 0) {
 				g = (FULL) *--a + (*--b >> 1 | f);
+				f = *b & 1 ? TOPHALF : 0;
 				if (g != BASE1)
 					break;
-				f = *b & 1 ? TOPHALF : 0;
 			}
 			if (g == BASE && f == 0) {
 				while ((--i > 0) && ((*--a | *--b) == 0));
@@ -748,9 +748,9 @@ done:	while (m > 0 && A[m - 1] == 0)
 		} else {
 			while (--i > 0) {
 				g = (FULL) *--a - (*--b >> 1 | f);
+				f = *b & 1 ? TOPHALF : 0;
 				if (g != 0)
 					break;
-				f = *b & 1 ? TOPHALF : 0;
 			}
 			if (g > 0 && g < BASE)
 				t = 1;