diff --git a/edit.c b/edit.c
index b079daf..c391c43 100644
--- a/edit.c
+++ b/edit.c
@@ -5,7 +5,7 @@
 
 #include "sh.h"
 
-__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.132 2008/09/30 17:23:00 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/edit.c,v 1.133 2008/09/30 17:49:24 tg Exp $");
 
 /* tty driver characters we are interested in */
 typedef struct {
@@ -3155,7 +3155,7 @@ x_edit_line(int c __unused)
 		if (modified) {
 			*xep = '\0';
 			source->line++;
-			histsave(source->line, xbuf, 1);
+			histsave(source->line, xbuf, true);
 			x_arg = 0;
 		} else
 			x_arg = source->line - (histptr - x_histp);
@@ -4366,7 +4366,7 @@ vi_cmd(int argcnt, const char *cmd)
 				if (modified) {
 					es->cbuf[es->linelen] = '\0';
 					source->line++;
-					histsave(source->line, es->cbuf, 1);
+					histsave(source->line, es->cbuf, true);
 				} else
 					argcnt = source->line + 1
 					    - (hlast - hnum);
diff --git a/funcs.c b/funcs.c
index cb64211..bf22090 100644
--- a/funcs.c
+++ b/funcs.c
@@ -5,7 +5,7 @@
 
 #include "sh.h"
 
-__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.87 2008/09/17 19:31:29 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.88 2008/09/30 17:49:25 tg Exp $");
 
 /* A leading = means assignments before command are kept;
  * a leading * means a POSIX special builtin;
@@ -503,7 +503,7 @@ c_print(const char **wp)
 	if (flags & PO_HIST) {
 		Xput(xs, xp, '\0');
 		source->line++;
-		histsave(source->line, Xstring(xs, xp), 1);
+		histsave(source->line, Xstring(xs, xp), true);
 		Xfree(xs, xp);
 	} else {
 		int n, len = Xlength(xs, xp);
@@ -1895,7 +1895,7 @@ c_read(const char **wp)
 	if (historyr) {
 		Xput(xs, xp, '\0');
 		source->line++;
-		histsave(source->line, Xstring(xs, xp), 1);
+		histsave(source->line, Xstring(xs, xp), true);
 		Xfree(xs, xp);
 	}
 	/* if this is the co-process fd, close the file descriptor
diff --git a/histrap.c b/histrap.c
index d79c84a..ab10332 100644
--- a/histrap.c
+++ b/histrap.c
@@ -3,7 +3,7 @@
 
 #include "sh.h"
 
-__RCSID("$MirOS: src/bin/mksh/histrap.c,v 1.67 2008/07/12 17:16:03 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/histrap.c,v 1.68 2008/09/30 17:49:26 tg Exp $");
 
 /*-
  * MirOS: This is the default mapping type, and need not be specified.
@@ -280,7 +280,7 @@ hist_execute(char *cmd)
 			if (!*q) /* ignore trailing newline */
 				q = NULL;
 		}
-		histsave(++(hist_source->line), p, 1);
+		histsave(++(hist_source->line), p, true);
 
 		shellf("%s\n", p); /* POSIX doesn't say this is done... */
 		if ((p = q)) /* restore \n (trailing \n not restored) */
@@ -574,7 +574,7 @@ init_histvec(void)
  * save command in history
  */
 void
-histsave(int lno __unused, const char *cmd, int dowrite __unused)
+histsave(int lno __unused, const char *cmd, bool dowrite __unused)
 {
 	char **hp;
 	char *c, *cp;
@@ -858,7 +858,7 @@ histload(Source *s, unsigned char *base, int bytes)
 					histinsert(s, lno, (char *)line);
 				} else {
 					s->line = lno;
-					histsave(lno, (char *)line, 0);
+					histsave(lno, (char *)line, false);
 				}
 				state = shdr;
 			}
diff --git a/lex.c b/lex.c
index ae1cdb1..d3ee266 100644
--- a/lex.c
+++ b/lex.c
@@ -2,7 +2,7 @@
 
 #include "sh.h"
 
-__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.67 2008/09/20 14:17:30 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/lex.c,v 1.68 2008/09/30 17:49:26 tg Exp $");
 
 /*
  * states while lexing word
@@ -1243,7 +1243,7 @@ getsc_line(Source *s)
 		char *p = Xstring(s->xs, xp);
 		if (*p && (cur_prompt != PS1 || !ctype(*p, C_IFS | C_IFSWS))) {
 			s->line++;
-			histsave(s->line, s->str, 1);
+			histsave(s->line, s->str, true);
 		}
 	}
 	if (interactive)
diff --git a/sh.h b/sh.h
index ff01d45..9111cf6 100644
--- a/sh.h
+++ b/sh.h
@@ -100,7 +100,7 @@
 #define __SCCSID(x)	__IDSTRING(sccsid,x)
 
 #ifdef EXTERN
-__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.233 2008/09/20 19:18:00 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.234 2008/09/30 17:49:26 tg Exp $");
 #endif
 #define MKSH_VERSION "R35 2008/09/20"
 
@@ -1306,7 +1306,7 @@ void hist_init(Source *);
 #if HAVE_PERSISTENT_HISTORY
 void hist_finish(void);
 #endif
-void histsave(int, const char *, int);
+void histsave(int, const char *, bool);
 int c_fc(const char **);
 void sethistsize(int);
 #if HAVE_PERSISTENT_HISTORY