add gemtext mode

example/config.json

@@ -36,7 +36,8 @@
             "view":
             {
                 "raw":"Raw data",
-                "reader":"Reader"
+                "reader":"Reader",
+                "gemtext":"Gemtext"
             }
         }
     },

src/server.php

@@ -496,6 +496,48 @@ $server->setHandler(
 
                             break;
 
+                            case 'gemtext':
+
+                                // Key
+                                $result[] = null;
+                                $result[] = sprintf(
+                                    '# %s',
+                                    trim(
+                                        preg_replace( // single-line
+                                            '/[\s]+/',
+                                            ' ',
+                                            $record['key']
+                                        )
+                                    )
+                                );
+
+                                // Value
+                                $result[] = null;
+                                $result[] = trim(
+                                    preg_replace(
+                                        [
+                                            '/[\n\r]{3,}/', // remove extra breaks
+                                        ],
+                                        [
+                                            PHP_EOL . PHP_EOL,
+                                        ],
+                                        $record['value']
+                                    )
+                                );
+
+                                // Time
+                                $result[] = null;
+                                $result[] = sprintf(
+                                    '%s in %d',
+                                    date(
+                                        'Y-m-d',
+                                        $record['time']
+                                    ),
+                                    $record['block']
+                                );
+
+                            break;
+
                             default:
 
                                 // Key
@@ -546,18 +588,53 @@ $server->setHandler(
                             $config->geminiapp->string->navigation
                         );
 
-                        if ('raw' == $request->getQuery())
+                        switch ($request->getQuery())
                         {
+                            case 'raw':
+
+                                $result[] = null;
+                                $result[] = sprintf(
+                                    '=> /%s?gemtext %s',
+                                    $record['transaction'],
+                                    $config->geminiapp->string->view->gemtext
+                                );
+
                                 $result[] = null;
                                 $result[] = sprintf(
                                     '=> /%s %s',
                                     $record['transaction'],
                                     $config->geminiapp->string->view->reader
                                 );
-                        }
 
-                        else
-                        {
+                            break;
+
+                            case 'gemtext':
+
+                                $result[] = null;
+                                $result[] = sprintf(
+                                    '=> /%s %s',
+                                    $record['transaction'],
+                                    $config->geminiapp->string->view->reader
+                                );
+
+                                $result[] = null;
+                                $result[] = sprintf(
+                                    '=> /%s?raw %s',
+                                    $record['transaction'],
+                                    $config->geminiapp->string->view->raw
+                                );
+
+                            break;
+
+                            default:
+
+                                $result[] = null;
+                                $result[] = sprintf(
+                                    '=> /%s?gemtext %s',
+                                    $record['transaction'],
+                                    $config->geminiapp->string->view->gemtext
+                                );
+
                                 $result[] = null;
                                 $result[] = sprintf(
                                     '=> /%s?raw %s',