diff '--color=auto' --unified --recursive --text src.orig/config.def.h src.new/config.def.h
--- src.orig/config.def.h	2023-05-25 23:01:23.204266978 +0200
+++ src.new/config.def.h	2023-05-25 23:00:47.904265895 +0200
@@ -7,6 +7,7 @@
 };
 #define NUMFONTSCALES 42
 #define FONTSZ(x) ((int)(10.0 * powf(1.1288, (x)))) /* x in [0, NUMFONTSCALES-1] */
+#define SLIDENUMBERSCALE 5
 
 static const char *colors[] = {
 	"#eee8d5", /* foreground color */
Only in src.new: drw.o
Only in src.new: sent
Only in src.orig: sent-1.tar.gz
diff '--color=auto' --unified --recursive --text src.orig/sent.c src.new/sent.c
--- src.orig/sent.c	2017-09-03 23:57:26.000000000 +0200
+++ src.new/sent.c	2023-05-25 22:57:14.934259453 +0200
@@ -513,8 +513,9 @@
 void
 xdraw()
 {
-	unsigned int height, width, i;
+	unsigned int height, width, i, numw;
 	Image *im = slides[idx].img;
+	char num[27] = {0};
 
 	getfontsize(&slides[idx], &width, &height);
 	XClearWindow(xw.dpy, xw.win);
@@ -530,6 +531,19 @@
 			         0,
 			         slides[idx].lines[i],
 			         0);
+		if (idx >= 0) {
+			snprintf(num, 27, "%d / %d", idx + 1, slidecount);
+			drw_setfontset(d, fonts[SLIDENUMBERSCALE]);
+			numw = drw_fontset_getwidth(d, num);
+			drw_text(d,
+			         d->fonts->h / 2,
+			         xw.h - d->fonts->h - d->fonts->h / 2,
+			         numw,
+			         d->fonts->h,
+			         0,
+			         num,
+			         0);
+		}
 		drw_map(d, xw.win, 0, 0, xw.w, xw.h);
 	} else {
 		if (!(im->state & SCALED))
Only in src.new: sent.o
Only in src.new: util.o