tweaks: use a boolean instead of an enumeration of two values

src/definitions.h

@@ -257,10 +257,6 @@ typedef enum {
 	OVERWRITE, APPEND, PREPEND
 } kind_of_writing_type;
 
-typedef enum {
-	SOFTMARK, HARDMARK
-} mark_type;
-
 typedef enum {
 	CENTERING, FLOWING, STATIONARY
 } update_type;
@@ -547,8 +543,8 @@ typedef struct openfilestruct {
 		/* The line in the file where the mark is set; NULL if not set. */
 	size_t mark_x;
 		/* The mark's x position in the above line. */
-	mark_type kind_of_mark;
-		/* Whether it is a soft (with Shift) or a hard mark. */
+	bool softmark;
+		/* Whether a marked region was made by holding Shift. */
 	format_type fmt;
 		/* The file's format -- Unix or DOS or Mac. */
 	char *lock_filename;

src/files.c

@@ -81,6 +81,7 @@ void make_new_buffer(void)
 #endif
 #ifndef NANO_TINY
 	openfile->mark = NULL;
+	openfile->softmark = FALSE;
 
 	openfile->fmt = NIX_FILE;
 

src/nano.c

@@ -1528,7 +1528,7 @@ void process_a_keystroke(void)
 			print_view_warning();
 		else {
 #ifndef NANO_TINY
-			if (openfile->mark && openfile->kind_of_mark == SOFTMARK) {
+			if (openfile->mark && openfile->softmark) {
 				openfile->mark = NULL;
 				refresh_needed = TRUE;
 			}
@@ -1602,7 +1602,7 @@ void process_a_keystroke(void)
 	if (shift_held && !openfile->mark) {
 		openfile->mark = openfile->current;
 		openfile->mark_x = openfile->current_x;
-		openfile->kind_of_mark = SOFTMARK;
+		openfile->softmark = TRUE;
 	}
 #endif
 
@@ -1614,7 +1614,7 @@ void process_a_keystroke(void)
 	 * discard a soft mark.  And when the marked region covers a
 	 * different set of lines, reset  the "last line too" flag. */
 	if (openfile->mark) {
-		if (!shift_held && openfile->kind_of_mark == SOFTMARK &&
+		if (!shift_held && openfile->softmark &&
 							(openfile->current != was_current ||
 							openfile->current_x != was_x ||
 							wanted_to_move(shortcut->func))) {

src/text.c

@@ -50,8 +50,8 @@ void do_mark(void)
 	if (!openfile->mark) {
 		openfile->mark = openfile->current;
 		openfile->mark_x = openfile->current_x;
+		openfile->softmark = FALSE;
 		statusbar(_("Mark Set"));
-		openfile->kind_of_mark = HARDMARK;
 	} else {
 		openfile->mark = NULL;
 		statusbar(_("Mark Unset"));