Make using balance mode consistent with mask mode

bestline.c

@@ -3612,13 +3612,22 @@ void bestlineMaskModeDisable(void) {
 }
 
 /**
- * Enables or disables "balance mode".
+ * Enables "balance mode".
  *
  * When it is enabled, bestline() will block until parentheses are
  * balanced. This is useful for code but not for free text.
+ *
+ * @see bestlineBalanceModeDisable()
+ */
+void bestlineBalanceModeEnable(void) {
+    balancemode = 1;
+}
+
+/**
+ * Disables "balance mode".
  */
-void bestlineBalanceMode(char mode) {
-    balancemode = mode;
+void bestlineBalanceModeDisable(void) {
+    balancemode = 0;
 }
 
 /**

bestline.h

@@ -30,7 +30,8 @@ void bestlineHistoryFree(void);
 void bestlineClearScreen(int);
 void bestlineMaskModeEnable(void);
 void bestlineMaskModeDisable(void);
-void bestlineBalanceMode(char);
+void bestlineBalanceModeEnable(void);
+void bestlineBalanceModeDisable(void);
 void bestlineUserIO(void *userReadFn, void *userWriteFn, void *userPollFn);
 void bestlineDisableRawMode(void);
 void bestlineFree(void *);

example.c

@@ -69,9 +69,9 @@ int main(int argc, char **argv) {
         } else if (!strncmp(line, "/unmask", 7)) {
             bestlineMaskModeDisable();
         } else if (!strncmp(line, "/balance", 8)) {
-            bestlineBalanceMode(1);
+            bestlineBalanceModeEnable();
         } else if (!strncmp(line, "/unbalance", 10)) {
-            bestlineBalanceMode(0);
+            bestlineBalanceModeDisable();
         } else if (line[0] == '/') {
             fputs("Unreconized command: ", stdout);
             fputs(line, stdout);