diff --git a/.arclint b/.arclint
new file mode 100644
--- /dev/null
+++ b/.arclint
@@ -0,0 +1,30 @@
+{
+  "exclude": [
+    "(^xhprof_html/jquery/)",
+    "(^xhprof_html/docs/)",
+    "(^extension/Makefile.local)"
+  ],
+  "linters": {
+    "chmod": {
+      "type": "chmod"
+    },
+    "filename": {
+      "type": "filename"
+    },
+    "generated": {
+      "type": "generated"
+    },
+    "merge-conflict": {
+      "type": "merge-conflict"
+    },
+    "nolint": {
+      "type": "nolint"
+    },
+    "text-without-length": {
+      "type": "text",
+      "severity": {
+        "3": "disabled"
+      }
+    }
+  }
+}
diff --git a/.gitignore b/.gitignore
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,10 @@
 !extension/php_xhprof.h
 !extension/tests/
 !extension/xhprof.c
+
+extension/tests/*.sh
+extension/tests/*.exp
+extension/tests/*.out
+extension/tests/*.diff
+extension/tests/*.log
+extension/tests/*.php
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,3 @@
-
                                  Apache License
                            Version 2.0, January 2004
                         http://www.apache.org/licenses/
diff --git a/README b/README
--- a/README
+++ b/README
@@ -3,5 +3,3 @@
 
 To view the latest version of the doc, go to:
   http://pecl.php.net/package/xhprof ---> [View Documentation]
-
-
diff --git a/extension/config.m4 b/extension/config.m4
--- a/extension/config.m4
+++ b/extension/config.m4
@@ -1,4 +1,3 @@
-
 PHP_ARG_ENABLE(xhprof, whether to enable xhprof support,
 [ --enable-xhprof      Enable xhprof support])
 
diff --git a/extension/php_xhprof.h b/extension/php_xhprof.h
--- a/extension/php_xhprof.h
+++ b/extension/php_xhprof.h
@@ -42,4 +42,4 @@
 PHP_FUNCTION(xhprof_sample_enable);
 PHP_FUNCTION(xhprof_sample_disable);
 
-#endif	/* PHP_XHPROF_H */
+#endif /* PHP_XHPROF_H */
diff --git a/extension/tests/common.php b/extension/tests/common.php
--- a/extension/tests/common.php
+++ b/extension/tests/common.php
@@ -32,4 +32,3 @@
     echo "\n";
   }
 }
-
diff --git a/extension/xhprof.c b/extension/xhprof.c
--- a/extension/xhprof.c
+++ b/extension/xhprof.c
@@ -2016,4 +2016,3 @@
     efree(name_array);
   }
 }
-
diff --git a/xhprof_html/css/xhprof.css b/xhprof_html/css/xhprof.css
--- a/xhprof_html/css/xhprof.css
+++ b/xhprof_html/css/xhprof.css
@@ -79,4 +79,3 @@
   background:#3B5998 none repeat scroll 0 0;
   color:#FFFFFF;
 }
-
diff --git a/xhprof_lib/display/typeahead_common.php b/xhprof_lib/display/typeahead_common.php
--- a/xhprof_lib/display/typeahead_common.php
+++ b/xhprof_lib/display/typeahead_common.php
@@ -77,4 +77,3 @@
 foreach ($functions as $f) {
   echo $f."\n";
 }
-
diff --git a/xhprof_lib/display/xhprof.php b/xhprof_lib/display/xhprof.php
--- a/xhprof_lib/display/xhprof.php
+++ b/xhprof_lib/display/xhprof.php
@@ -1003,7 +1003,7 @@
 
 function print_source_link($info) {
   if (strncmp($info['fn'], 'run_init', 8) && $info['fn'] !== 'main()') {
-	if (defined('XHPROF_SYMBOL_LOOKUP_URL')) {
+    if (defined('XHPROF_SYMBOL_LOOKUP_URL')) {
       $link = xhprof_render_link(
         'source',
         XHPROF_SYMBOL_LOOKUP_URL . '?symbol='.rawurlencode($info["fn"]));
diff --git a/xhprof_lib/utils/xhprof_lib.php b/xhprof_lib/utils/xhprof_lib.php
--- a/xhprof_lib/utils/xhprof_lib.php
+++ b/xhprof_lib/utils/xhprof_lib.php
@@ -943,4 +943,3 @@
 
   return ($res);
 }
-