When a file is edited, vim adds a \n at the end

nnn.1

@@ -263,7 +263,7 @@ paths. Any action performed on these symlinks will be performed only on their
 targets, after which they might become invalid.
 .Pp
 Though the term "files" is used, any input is valid as long as it's a valid
-path. Invalid paths will be ignored.
+path. \fBInvalid paths will be ignored.\fR
 .Sh UNITS
 The minimum file size unit is byte (B). The rest are K, M, G, T, P, E, Z, Y
 (powers of 1024), same as the default units in \fIls\fR.

src/nnn.c

@@ -964,11 +964,11 @@ static char *common_prefix(const char *path, char *prefix)
 	while (*x && *y && (*x == *y))
 		++x, ++y;
 
-	/* Strings are same OR prefix is smaller */
+	/* Strings are same OR prefix is shorter */
 	if ((!*x && !*y) || !*y)
 		return prefix;
 
-	/* Path is smaller */
+	/* Path is shorter */
 	if (!*x) {
 		xstrlcpy(prefix, path, path - x + 1);
 		return prefix;
@@ -6219,7 +6219,7 @@ static char *load_input()
 	DPRINTF_S(paths[0]);
 
 	for (i = 0; i < entries; ++i) {
-		if (selforparent(paths[i])) {
+		if (paths[i][0] == '\n' || selforparent(paths[i])) {
 			paths[i] = NULL;
 			continue;
 		}