Fix: error displaying filename with non-breaking space in long view

Author: leo-arch

src/file_operations.c

@@ -618,17 +618,17 @@ is_range(const char *str)
 	if (!str || !*str)
 		return 0;
 
-	char *p = strchr(str, '-');
-	if (!p)
+	char *dash = strchr(str, '-');
+	if (!dash)
 		return 0;
 
-	*p = '\0';
-	if (is_number(str) && (!p[1] || is_number(p + 1))) {
-		*p = '-';
+	*dash = '\0';
+	if (is_number(str) && (!dash[1] || is_number(dash + 1))) {
+		*dash = '-';
 		return 1;
 	}
 
-	*p = '-';
+	*dash = '-';
 	return 0;
 }
 
@@ -655,8 +655,8 @@ is_valid_filename(const char *name)
 	if ((*n == '=' && n[1] >= 'a' && n[1] <= 'z' && !n[2]) || *n == '@')
 		return print_val_err(name, UNSAFE_MIME);
 
-	/* Reserved keyword (internal: bookmarks, tags, and selected files
-	 * constructs) */
+	/* Reserved keyword (internal: bookmarks, tags, workspaces, and
+	 * selected files constructs) */
 	if (((*n == 'b' || *n == 's') && n[1] == ':')
 	|| strcmp(n, "sel") == 0)
 		return print_val_err(name, UNSAFE_BTS_CONST);

src/listing.c

@@ -288,8 +288,8 @@ is_utf8_name(const char *filename, size_t *bytes, size_t *ext_index)
 		[15] = 1, [16] = 1, [17] = 1, [18] = 1, [19] = 1, [20] = 1, [21] = 1,
 		[22] = 1, [23] = 1, [24] = 1, [25] = 1, [26] = 1, [27] = 1, [28] = 1,
 		[29] = 1, [30] = 1, [31] = 1,
-		/* Delete */
-		[127] = 1,
+		/* Delete, non-breaking space (NBSP), and soft hyphen (SHY) */
+		[127] = 1, [160] = 1, [173] = 1,
 		/* UTF-8 */
 		[192] = 1, [193] = 1, [194] = 1, [195] = 1, [196] = 1, [197] = 1,
 		[198] = 1, [199] = 1, [200] = 1, [201] = 1, [202] = 1, [203] = 1,