diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
index a25466c..7e16465 100644
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -1,224 +1,226 @@
 <?php
 
 /**
  * This file is automatically generated. Use 'phutil_mapper.php' to rebuild it.
  * @generated
  */
 
 phutil_register_library_map(array(
   'class' =>
   array(
     'AASTNode' => 'parser/aast/api/node',
     'AASTNodeList' => 'parser/aast/api/list',
     'AASTToken' => 'parser/aast/api/token',
     'AASTTree' => 'parser/aast/api/tree',
     'AbstractDirectedGraph' => 'utils/abstractgraph',
     'AbstractDirectedGraphTestCase' => 'utils/abstractgraph/__tests__',
     'BaseHTTPFuture' => 'future/http/base',
     'CommandException' => 'future/exec',
     'ConduitClient' => 'conduit/client',
     'ConduitClientException' => 'conduit/client',
     'ConduitFuture' => 'conduit/client',
     'ExecFuture' => 'future/exec',
     'FileFinder' => 'filesystem/filefinder',
     'FileList' => 'filesystem/filelist',
     'Filesystem' => 'filesystem',
     'FilesystemException' => 'filesystem',
     'Future' => 'future',
     'FutureIterator' => 'future',
     'FutureProxy' => 'future/proxy',
     'HTTPFuture' => 'future/http/http',
     'HTTPFutureResponseStatus' => 'future/http/status/base',
     'HTTPFutureResponseStatusCURL' => 'future/http/status/curl',
     'HTTPFutureResponseStatusHTTP' => 'future/http/status/http',
     'HTTPFutureResponseStatusParse' => 'future/http/status/parse',
     'HTTPFutureResponseStatusTransport' => 'future/http/status/transport',
     'HTTPSFuture' => 'future/http/https',
     'ImmediateFuture' => 'future/immediate',
     'JSONReadableSerializerTestCase' => 'parser/json/__tests__',
     'LinesOfALargeFile' => 'filesystem/linesofalargefile',
     'MFilterTestHelper' => 'utils/__tests__',
     'PhutilConsoleFormatter' => 'console',
     'PhutilConsoleStdinNotInteractiveException' => 'console/exception',
     'PhutilDaemon' => 'daemon/base',
     'PhutilDaemonOverseer' => 'daemon/overseer',
     'PhutilDefaultSyntaxHighlighter' => 'markup/syntax/highlighter/default',
     'PhutilDefaultSyntaxHighlighterEngine' => 'markup/syntax/engine/default',
     'PhutilDefaultSyntaxHighlighterEnginePygmentsFuture' => 'markup/syntax/highlighter/pygments/future',
     'PhutilDefaultSyntaxHighlighterEngineTestCase' => 'markup/syntax/engine/default/__tests__',
     'PhutilDivinerSyntaxHighlighter' => 'markup/syntax/highlighter/diviner',
     'PhutilDocblockParser' => 'parser/docblock',
     'PhutilDocblockParserTestCase' => 'parser/docblock/__tests__',
     'PhutilEmailAddress' => 'parser/emailaddress',
     'PhutilEmailAddressTestCase' => 'parser/emailaddress/__tests__',
     'PhutilErrorHandler' => 'error',
     'PhutilEvent' => 'events/event',
     'PhutilEventConstants' => 'events/constant/base',
     'PhutilEventEngine' => 'events/engine',
     'PhutilEventListener' => 'events/listener',
     'PhutilEventType' => 'events/constant/type',
     'PhutilExcessiveServiceCallsDaemon' => 'daemon/torture/excessiveservicecalls',
     'PhutilFatalDaemon' => 'daemon/torture/fatal',
     'PhutilHangForeverDaemon' => 'daemon/torture/hangforever',
     'PhutilInteractiveEditor' => 'console/editor',
     'PhutilJSON' => 'parser/json',
     'PhutilMarkupEngine' => 'markup/engine',
     'PhutilMissingSymbolException' => 'symbols/exception/missing',
     'PhutilNiceDaemon' => 'daemon/torture/nice',
     'PhutilProcessGroupDaemon' => 'daemon/torture/processgroup',
     'PhutilPygmentsSyntaxHighlighter' => 'markup/syntax/highlighter/pygments',
     'PhutilRainbowSyntaxHighlighter' => 'markup/syntax/highlighter/rainbow',
     'PhutilReadableSerializer' => 'readableserializer',
     'PhutilRemarkupBlockStorage' => 'markup/engine/remarkup/blockstorage',
     'PhutilRemarkupEngine' => 'markup/engine/remarkup',
     'PhutilRemarkupEngineBlockRule' => 'markup/engine/remarkup/blockrule/base',
     'PhutilRemarkupEngineRemarkupCodeBlockRule' => 'markup/engine/remarkup/blockrule/remarkupcode',
     'PhutilRemarkupEngineRemarkupDefaultBlockRule' => 'markup/engine/remarkup/blockrule/remarkupdefault',
     'PhutilRemarkupEngineRemarkupHeaderBlockRule' => 'markup/engine/remarkup/blockrule/remarkupheader',
     'PhutilRemarkupEngineRemarkupInlineBlockRule' => 'markup/engine/remarkup/blockrule/remarkupinline',
     'PhutilRemarkupEngineRemarkupListBlockRule' => 'markup/engine/remarkup/blockrule/remarkuplist',
+    'PhutilRemarkupEngineRemarkupLiteralBlockRule' => 'markup/engine/remarkup/blockrule/remarkupliteral',
     'PhutilRemarkupEngineRemarkupNoteBlockRule' => 'markup/engine/remarkup/blockrule/remarkupnote',
     'PhutilRemarkupEngineRemarkupQuotesBlockRule' => 'markup/engine/remarkup/blockrule/remarkupquotes',
     'PhutilRemarkupEngineTestCase' => 'markup/engine/remarkup/__tests__',
     'PhutilRemarkupRule' => 'markup/engine/remarkup/markuprule/base',
     'PhutilRemarkupRuleBold' => 'markup/engine/remarkup/markuprule/bold',
     'PhutilRemarkupRuleEscapeHTML' => 'markup/engine/remarkup/markuprule/escapehtml',
     'PhutilRemarkupRuleEscapeRemarkup' => 'markup/engine/remarkup/markuprule/escaperemarkup',
     'PhutilRemarkupRuleHyperlink' => 'markup/engine/remarkup/markuprule/hyperlink',
     'PhutilRemarkupRuleItalic' => 'markup/engine/remarkup/markuprule/italics',
     'PhutilRemarkupRuleLinebreaks' => 'markup/engine/remarkup/markuprule/linebreaks',
     'PhutilRemarkupRuleMonospace' => 'markup/engine/remarkup/markuprule/monospace',
     'PhutilSaturateStdoutDaemon' => 'daemon/torture/saturatestdout',
     'PhutilServiceProfiler' => 'serviceprofiler',
     'PhutilSymbolLoader' => 'symbols',
     'PhutilSyntaxHighlighter' => 'markup/syntax/highlighter/base',
     'PhutilSyntaxHighlighterEngine' => 'markup/syntax/engine/base',
     'PhutilTortureTestDaemon' => 'daemon/torture/base',
     'PhutilURI' => 'parser/uri',
     'PhutilURITestCase' => 'parser/uri/__tests__',
     'PhutilUTF8TestCase' => 'utils/__tests__',
     'PhutilUtilsTestCase' => 'utils/__tests__',
     'PhutilXHPASTSyntaxHighlighter' => 'markup/syntax/highlighter/xhpast',
     'PhutilXHPASTSyntaxHighlighterTestCase' => 'markup/syntax/highlighter/xhpast/__tests__',
     'TempFile' => 'filesystem/tempfile',
     'TestAbstractDirectedGraph' => 'utils/abstractgraph/__tests__',
     'XHPASTNode' => 'parser/xhpast/api/node',
     'XHPASTSyntaxErrorException' => 'parser/xhpast/api/exception',
     'XHPASTToken' => 'parser/xhpast/api/token',
     'XHPASTTree' => 'parser/xhpast/api/tree',
     'XHPASTTreeTestCase' => 'parser/xhpast/api/tree/__tests__',
   ),
   'function' =>
   array(
     'Futures' => 'future',
     'array_mergev' => 'utils',
     'array_select_keys' => 'utils',
     'coalesce' => 'utils',
     'csprintf' => 'xsprintf/csprintf',
     'exec_manual' => 'future/exec',
     'execx' => 'future/exec',
     'head' => 'utils',
     'id' => 'utils',
     'idx' => 'utils',
     'ifilter' => 'utils',
     'igroup' => 'utils',
     'ipull' => 'utils',
     'isort' => 'utils',
     'jsprintf' => 'xsprintf/jsprintf',
     'mfilter' => 'utils',
     'mgroup' => 'utils',
     'mpull' => 'utils',
     'msort' => 'utils',
     'newv' => 'utils',
     'nonempty' => 'utils',
     'phlog' => 'error',
     'phutil_console_confirm' => 'console',
     'phutil_console_format' => 'console',
     'phutil_console_prompt' => 'console',
     'phutil_console_require_tty' => 'console',
     'phutil_console_wrap' => 'console',
     'phutil_deprecated' => 'moduleutils',
     'phutil_error_listener_example' => 'error',
     'phutil_escape_html' => 'markup',
     'phutil_escape_uri' => 'markup',
     'phutil_get_library_name_for_root' => 'moduleutils',
     'phutil_get_library_root' => 'moduleutils',
     'phutil_get_library_root_for_path' => 'moduleutils',
     'phutil_is_utf8' => 'utils',
     'phutil_passthru' => 'future/exec',
     'phutil_render_tag' => 'markup',
     'phutil_utf8_shorten' => 'utils',
     'phutil_utf8_strlen' => 'utils',
     'phutil_utf8ize' => 'utils',
     'phutil_utf8v' => 'utils',
     'vcsprintf' => 'xsprintf/csprintf',
     'vjsprintf' => 'xsprintf/jsprintf',
     'xhp_parser_node_constants' => 'parser/xhpast/constants',
     'xhpast_get_binary_path' => 'parser/xhpast/bin',
     'xhpast_get_build_instructions' => 'parser/xhpast/bin',
     'xhpast_get_parser_future' => 'parser/xhpast/bin',
     'xhpast_is_available' => 'parser/xhpast/bin',
     'xhpast_parser_token_constants' => 'parser/xhpast/constants',
     'xsprintf' => 'xsprintf',
     'xsprintf_callback_example' => 'xsprintf',
     'xsprintf_command' => 'xsprintf/csprintf',
     'xsprintf_javascript' => 'xsprintf/jsprintf',
   ),
   'requires_class' =>
   array(
     'AbstractDirectedGraphTestCase' => 'ArcanistPhutilTestCase',
     'BaseHTTPFuture' => 'Future',
     'ConduitFuture' => 'FutureProxy',
     'ExecFuture' => 'Future',
     'FutureProxy' => 'Future',
     'HTTPFuture' => 'BaseHTTPFuture',
     'HTTPFutureResponseStatusCURL' => 'HTTPFutureResponseStatus',
     'HTTPFutureResponseStatusHTTP' => 'HTTPFutureResponseStatus',
     'HTTPFutureResponseStatusParse' => 'HTTPFutureResponseStatus',
     'HTTPFutureResponseStatusTransport' => 'HTTPFutureResponseStatus',
     'HTTPSFuture' => 'BaseHTTPFuture',
     'ImmediateFuture' => 'Future',
     'JSONReadableSerializerTestCase' => 'ArcanistPhutilTestCase',
     'PhutilDefaultSyntaxHighlighterEngine' => 'PhutilSyntaxHighlighterEngine',
     'PhutilDefaultSyntaxHighlighterEnginePygmentsFuture' => 'FutureProxy',
     'PhutilDefaultSyntaxHighlighterEngineTestCase' => 'ArcanistPhutilTestCase',
     'PhutilDocblockParserTestCase' => 'ArcanistPhutilTestCase',
     'PhutilEmailAddressTestCase' => 'ArcanistPhutilTestCase',
     'PhutilEventType' => 'PhutilEventConstants',
     'PhutilExcessiveServiceCallsDaemon' => 'PhutilTortureTestDaemon',
     'PhutilFatalDaemon' => 'PhutilTortureTestDaemon',
     'PhutilHangForeverDaemon' => 'PhutilTortureTestDaemon',
     'PhutilNiceDaemon' => 'PhutilTortureTestDaemon',
     'PhutilProcessGroupDaemon' => 'PhutilTortureTestDaemon',
     'PhutilRemarkupEngine' => 'PhutilMarkupEngine',
     'PhutilRemarkupEngineRemarkupCodeBlockRule' => 'PhutilRemarkupEngineBlockRule',
     'PhutilRemarkupEngineRemarkupDefaultBlockRule' => 'PhutilRemarkupEngineBlockRule',
     'PhutilRemarkupEngineRemarkupHeaderBlockRule' => 'PhutilRemarkupEngineBlockRule',
     'PhutilRemarkupEngineRemarkupInlineBlockRule' => 'PhutilRemarkupEngineBlockRule',
     'PhutilRemarkupEngineRemarkupListBlockRule' => 'PhutilRemarkupEngineBlockRule',
+    'PhutilRemarkupEngineRemarkupLiteralBlockRule' => 'PhutilRemarkupEngineBlockRule',
     'PhutilRemarkupEngineRemarkupNoteBlockRule' => 'PhutilRemarkupEngineBlockRule',
     'PhutilRemarkupEngineRemarkupQuotesBlockRule' => 'PhutilRemarkupEngineBlockRule',
     'PhutilRemarkupEngineTestCase' => 'ArcanistPhutilTestCase',
     'PhutilRemarkupRuleBold' => 'PhutilRemarkupRule',
     'PhutilRemarkupRuleEscapeHTML' => 'PhutilRemarkupRule',
     'PhutilRemarkupRuleEscapeRemarkup' => 'PhutilRemarkupRule',
     'PhutilRemarkupRuleHyperlink' => 'PhutilRemarkupRule',
     'PhutilRemarkupRuleItalic' => 'PhutilRemarkupRule',
     'PhutilRemarkupRuleLinebreaks' => 'PhutilRemarkupRule',
     'PhutilRemarkupRuleMonospace' => 'PhutilRemarkupRule',
     'PhutilSaturateStdoutDaemon' => 'PhutilTortureTestDaemon',
     'PhutilTortureTestDaemon' => 'PhutilDaemon',
     'PhutilURITestCase' => 'ArcanistPhutilTestCase',
     'PhutilUTF8TestCase' => 'ArcanistPhutilTestCase',
     'PhutilUtilsTestCase' => 'ArcanistPhutilTestCase',
     'PhutilXHPASTSyntaxHighlighterTestCase' => 'ArcanistPhutilTestCase',
     'TestAbstractDirectedGraph' => 'AbstractDirectedGraph',
     'XHPASTNode' => 'AASTNode',
     'XHPASTToken' => 'AASTToken',
     'XHPASTTree' => 'AASTTree',
     'XHPASTTreeTestCase' => 'ArcanistPhutilTestCase',
   ),
   'requires_interface' =>
   array(
   ),
 ));
diff --git a/src/markup/engine/remarkup/blockrule/remarkupliteral/PhutilRemarkupEngineRemarkupLiteralBlockRule.php b/src/markup/engine/remarkup/blockrule/remarkupliteral/PhutilRemarkupEngineRemarkupLiteralBlockRule.php
new file mode 100644
index 0000000..0933c47
--- /dev/null
+++ b/src/markup/engine/remarkup/blockrule/remarkupliteral/PhutilRemarkupEngineRemarkupLiteralBlockRule.php
@@ -0,0 +1,51 @@
+<?php
+
+/*
+ * Copyright 2012 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @group markup
+ */
+class PhutilRemarkupEngineRemarkupLiteralBlockRule
+  extends PhutilRemarkupEngineBlockRule {
+
+  public function getBlockPattern() {
+    return "/^%%%/";
+  }
+
+  public function shouldContinueWithBlock($block, $last_block) {
+    // If the first code block begins with %%%, we keep matching blocks until
+    // we hit a terminating %%%, regardless of their content.
+    if (preg_match($this->getBlockPattern(), $last_block)) {
+      if (preg_match('/%%%$/', $last_block)) {
+        return false;
+      }
+      return true;
+    }
+
+    return false;
+  }
+
+  public function shouldMergeBlocks() {
+    return true;
+  }
+
+  public function markupText($text) {
+    $text = preg_replace('/%%%\s*$/', '', substr($text, 3));
+    $text = $this->applyRules($text);
+    return $text;
+  }
+}
diff --git a/src/markup/engine/remarkup/blockrule/remarkupliteral/__init__.php b/src/markup/engine/remarkup/blockrule/remarkupliteral/__init__.php
new file mode 100644
index 0000000..2a06538
--- /dev/null
+++ b/src/markup/engine/remarkup/blockrule/remarkupliteral/__init__.php
@@ -0,0 +1,12 @@
+<?php
+/**
+ * This file is automatically generated. Lint this module to rebuild it.
+ * @generated
+ */
+
+
+
+phutil_require_module('phutil', 'markup/engine/remarkup/blockrule/base');
+
+
+phutil_require_source('PhutilRemarkupEngineRemarkupLiteralBlockRule.php');