Add the $AddBlankLines system variable.

man/remind.1.in

@@ -1526,7 +1526,8 @@ Notes:
 o
 .B Remind
 normally prints a blank line after each reminder; if the last character
-of the body is "%", the blank line will not be printed.
+of the body is "%", the blank line will not be printed.  You can globally
+suppress the extra blank lines by setting \fB$AddBlankLines\fR to 0.
 .TP
 o
 Substitutions a, b, c, e, f, g, h, i, j, k, l, u and v all are replaced
@@ -2275,6 +2276,13 @@ The following system variables are defined.  Those marked
 All system variables hold values of type \fBINT\fR, unless otherwise
 specified.
 .TP
+.B $AddBlankLines 
+If set to 1 (the default), then \fBRemind\fR normally prints a blank
+line after the banner and each reminder.  (This can be suppressed by
+ending the reminder or banner with a single percent sign.)  If
+$AddBlankLines is set to 0, then Remind does not print the blank line.
+In this case, ending a reminder with % has no effect.
+.TP
 .B $CalcUTC
 If 1 (the default), then \fBRemind\fR uses C library functions
 to calculate the number of minutes between local and Universal Time
@@ -3753,7 +3761,7 @@ defined, and the value of XY if it is defined.
 .TP
 .B version()
 Returns a string specifying the version of \fBRemind\fR.  For version
-03.00.04, returns "03.00.04".  It is guaranteed that as new versions of
+@VERSION@, returns "@VERSION@".  It is guaranteed that as new versions of
 \fBRemind\fR are released, the value returned by \fBversion()\fR will
 strictly increase, according to the rules for string ordering.
 .TP
@@ -4086,13 +4094,13 @@ Notes:
 .TP
 o
 If you access a variable in \fIexpr\fR that is not in the list of arguments,
-the "global" value (if any) is used.
+the global value (if any) is used.
 .TP
 o
-Function and parameter names are significant only to 12 characters.
+Function and parameter names are significant to 64 characters.
 .TP
 o
-The \fBvalue()\fR function \fIalways\fR accesses the "global" value of a
+The \fBvalue()\fR function \fIalways\fR accesses the global value of a
 variable, even if it has the same name as an argument.  For example:
 .RS
 .PP

src/dorem.c

@@ -945,8 +945,8 @@ int TriggerReminder(ParsePtr p, Trigger *t, TimeTrig *tim, int jul)
 	if (!DoSubstFromString(DBufValue(&Banner), &buf,
 			       JulianToday, NO_TIME) &&
 	    DBufLen(&buf)) {
-	printf("%s\n", DBufValue(&buf));
-	}
+            printf("%s\n", DBufValue(&buf));
+        }
 	DBufFree(&buf);
     }
 

src/dosubst.c

@@ -190,8 +190,11 @@ int DoSubst(ParsePtr p, DynamicBuffer *dbuf, Trigger *t, TimeTrig *tt, int jul,
 	}
 	if (c == '\n') continue;
 	if (!c) {
-	    if (mode != CAL_MODE && mode != ADVANCE_MODE &&
-		t->typ != RUN_TYPE && !MsgCommand) {
+	    if (AddBlankLines &&
+                mode != CAL_MODE &&
+                mode != ADVANCE_MODE &&
+		t->typ != RUN_TYPE &&
+                !MsgCommand) {
 		if (DBufPutc(dbuf, '\n') != OK) return E_NO_MEM;
 	    }
 	    break;

src/globals.h

@@ -58,6 +58,7 @@ EXTERN  INIT(   int     DoSimpleCalendar, 0);
 EXTERN  INIT(   int     DoSimpleCalDelta, 0);
 EXTERN  INIT(   int     DoPrefixLineNo, 0);
 EXTERN	INIT(	int	MondayFirst, 0);
+EXTERN  INIT(   int     AddBlankLines, 1);
 EXTERN	INIT(	int	Iterations, 1);
 EXTERN  INIT(   int     PsCal, 0);
 EXTERN  INIT(   int     CalWidth, 80);

src/var.c

@@ -776,6 +776,7 @@ typedef struct {
 /* All of the system variables sorted alphabetically */
 static SysVar SysVarArr[] = {
     /*  name          mod  type              value          min/mal   max  validate*/
+    {"AddBlankLines",  1,  INT_TYPE,     &AddBlankLines,       0,      1,    NULL },
     {"Ago",            1,  STR_TYPE,     &DynamicAgo,          0,      0,    NULL },
     {"Am",             1,  STR_TYPE,     &DynamicAm,           0,      0,    NULL },
     {"And",            1,  STR_TYPE,     &DynamicAnd,          0,      0,    NULL },

tests/blanks.rem

@@ -0,0 +1,5 @@
+MSG $AddBlankLines=[$AddBlankLines]
+MSG Hello
+MSG Hi
+MSF How are you?
+MSG OK

tests/test-rem

@@ -116,6 +116,11 @@ echo "ANSI Color Test" >> ../tests/test.out
 ../src/remind -@1,1,1 ../tests/ansicolors.rem 1 Jan 2022 >> ../tests/test.out 2>&1
 ../src/remind -@2,1,1 ../tests/ansicolors.rem 1 Jan 2022 >> ../tests/test.out 2>&1
 
+echo '$AddBlankLines test' >> ../tests/test.out
+../src/remind ../tests/blanks.rem 1 Jan 2022 >> ../tests/test.out 2>&1
+../src/remind '-i$AddBlankLines=1' ../tests/blanks.rem 1 Jan 2022 >> ../tests/test.out 2>&1
+../src/remind '-i$AddBlankLines=0' ../tests/blanks.rem 1 Jan 2022 >> ../tests/test.out 2>&1
+
 echo "MON WKDAY DAY across year test" >> ../tests/test.out
 echo 'REM Mon 29 Dec MSG x' | ../src/remind -dt - 1 Jan 2000 >> ../tests/test.out 2>&1
 

tests/test.cmp

@@ -2723,6 +2723,7 @@ a125  -1
 dump $
 Variable  Value
 
+  $AddBlankLines  1           [0, 1]
             $Ago  "ago"
              $Am  "am"
             $And  "and"
@@ -6618,6 +6619,37 @@ keyword will[38;2;0
 ../tests/ansicolors.rem(41): ansicolor(): Number too low
 ../tests/ansicolors.rem(42): ansicolor(): Number too high
 ../tests/ansicolors.rem(43): ansicolor(): Number too low
+$AddBlankLines test
+Reminders for Saturday, 1st January, 2022:
+
+$AddBlankLines=1
+
+Hello
+
+Hi
+
+How are you?
+
+OK
+
+Reminders for Saturday, 1st January, 2022:
+
+$AddBlankLines=1
+
+Hello
+
+Hi
+
+How are you?
+
+OK
+
+Reminders for Saturday, 1st January, 2022:
+$AddBlankLines=0
+Hello
+Hi
+How are you?
+OK
 MON WKDAY DAY across year test
 -(1): Trig = Monday, 3 January, 2000
 No reminders.