config: url.protocols: make it comma separated, for consistency

config.c

@@ -1012,10 +1012,20 @@ parse_section_url(const char *key, const char *value, struct config *conf,
 
         char *copy = xstrdup(value);
 
-        for (char *prot = strtok(copy, " ");
+        for (char *prot = strtok(copy, ",");
              prot != NULL;
-             prot = strtok(NULL, " "))
+             prot = strtok(NULL, ","))
         {
+
+            /* Strip leading whitespace */
+            while (isspace(*prot))
+                prot++;
+
+            /* Strip trailing whitespace */
+            size_t len = strlen(prot);
+            while (len > 0 && isspace(prot[len - 1]))
+                prot[--len] = '\0';
+
             size_t chars = mbstowcs(NULL, prot, 0);
             if (chars == (size_t)-1) {
                 LOG_AND_NOTIFY_ERRNO(
@@ -1034,9 +1044,9 @@ parse_section_url(const char *key, const char *value, struct config *conf,
             mbstowcs(conf->url.protocols[idx], prot, chars + 1);
             wcscpy(&conf->url.protocols[idx][chars], L"://");
 
-            size_t len = chars + 3;  /* Include the "://" */
-            if (len > conf->url.max_prot_len)
-                conf->url.max_prot_len = len;
+            chars += 3;  /* Include the "://" */
+            if (chars > conf->url.max_prot_len)
+                conf->url.max_prot_len = chars;
         }
 
         free(copy);

doc/foot.ini.5.scd

@@ -324,10 +324,11 @@ in this order:
 	jump labels. Default: _sadfjklewcmpgh_.
 
 *protocols*
-	List of protocols (schemes) that should be recognized in URL
-	mode. Note that only auto-detected URLs are affected by this
-	option. OSC-8 URLs are always enabled, regardless of
-	protocol. Default: _http https ftp ftps file gemini gopher_.
+	Comma separated list of protocols (schemes) that should be
+	recognized in URL mode. Note that only auto-detected URLs are
+	affected by this option. OSC-8 URLs are always enabled, regardless
+	of protocol. Default: _http, https, ftp, ftps, file, gemini,
+	gopher_.
 
 
 # SECTION: cursor

foot.ini

@@ -45,7 +45,7 @@
 # launch=xdg-open ${url}
 # label-letters=sadfjklewcmpgh
 # osc8-underline=url-mode
-# protocols = http https ftp ftps file gemini gopher
+# protocols = http, https, ftp, ftps, file, gemini, gopher
 
 [cursor]
 # style=block