diff -Naur remind-03.00.24/man/remind.1 remind/man/remind.1
--- remind-03.00.24/man/remind.1	2005-09-30 05:33:53.000000000 +0200
+++ remind/man/remind.1	2006-01-15 15:40:42.000000000 +0100
@@ -4,7 +4,7 @@
 .SH NAME
 remind \- a sophisticated reminder service
 .SH SYNOPSIS
-.B remind [\fIoptions\fR] \fIfilename\fR [\fIdate\fR] [\fI*rep\fR] [\fItime\fR]
+.B remind [\fIoptions\fR] [\fIfilename\fR [\fIdate\fR] [\fI*rep\fR] [\fItime\fR] ]
 .SH DESCRIPTION
 \fBRemind\fR reads the supplied \fIfilename\fR and executes the commands
 found in it.  The commands are used to issue reminders and alarms.  Each
@@ -13,7 +13,9 @@
 .PP
 If \fIfilename\fR is specified as a single dash '-', then \fBRemind\fR
 takes its input from standard input.  This also implicitly enables
-the \fB\-o\fR option, described below.
+the \fB\-o\fR option, described below. If no filename is given, remind uses
+\fI~/.reminders\fR or the content of the DOT_REMINDERS environment
+variable.
 .SH OPTIONS
 \fBRemind\fR has a slew of options.  If you're new to the program,
 ignore them for now and skip to the section "Reminder Files".
diff -Naur remind-03.00.24/src/init.c remind/src/init.c
--- remind-03.00.24/src/init.c	2005-09-30 05:29:32.000000000 +0200
+++ remind/src/init.c	2006-01-15 15:40:42.000000000 +0100
@@ -32,6 +32,8 @@
 #include "version.h"
 #include "globals.h"
 
+#define DOT_REMINDERS ".reminders"
+
 /***************************************************************
  *
  *  Command line options recognized:
@@ -87,6 +89,30 @@
 
 /***************************************************************/
 /*                                                             */
+/*  DefaultReminders                                           */
+/*                                                             */
+/*  Detect a default reminder file                             */
+/*                                                             */
+/***************************************************************/
+
+char* DefaultReminders()
+{
+    char *dot_reminders;
+    char *home;
+    size_t len;
+    if((dot_reminders=getenv("DOT_REMINDERS")))
+	return dot_reminders;
+    else if((home=getenv("HOME"))) {
+	len = strlen(home) + strlen(DOT_REMINDERS) + 2;
+	dot_reminders = (char*)malloc(len);
+	snprintf(dot_reminders, len, "%s/%s", home, DOT_REMINDERS);
+	return dot_reminders;
+    }
+    else return DOT_REMINDERS;
+}
+
+/***************************************************************/
+/*                                                             */
 /*  InitRemind                                                 */
 /*                                                             */
 /*  Initialize the system - called only once at beginning!     */
@@ -348,11 +374,8 @@
     }
 
     /* Get the filename. */
-    if (i >= argc) {
-	Usage();
-	exit(1);
-    }
-    InitialFile = argv[i++];
+    if (i >= argc) InitialFile = DefaultReminders(); 
+    else InitialFile = argv[i++];
 
     /* Get the date, if any */
     if (i < argc) {
@@ -448,7 +471,7 @@
 #ifdef BETA
     fprintf(ErrFp, ">>>> BETA VERSION <<<<\n");
 #endif
-    fprintf(ErrFp, "Usage: remind [options] filename [date] [time] [*rep]\n");
+    fprintf(ErrFp, "Usage: remind [options] [filename [date] [time] [*rep] ]\n");
     fprintf(ErrFp, "Options:\n");
     fprintf(ErrFp, " -n     Output next occurrence of reminders in simple format\n");
     fprintf(ErrFp, " -r     Disable RUN directives\n");
diff -Naur remind-03.00.24/src/protos.h remind/src/protos.h
--- remind-03.00.24/src/protos.h	2005-09-30 05:29:32.000000000 +0200
+++ remind/src/protos.h	2006-01-15 15:42:11.000000000 +0100
@@ -45,6 +45,7 @@
 int SetAccessDate (char *fname, int jul);
 int TopLevel (void);
 int CallFunc (Operator *f, int nargs);
+char *DefaultReminders (void);
 void InitRemind (int argc, char *argv[]);
 void Usage (void);
 int main (int argc, char *argv[]);