From 0facce957eb1d1b4a7ce73f413e95d2501b6272b Mon Sep 17 00:00:00 2001
From: Urban Müller
Date: Tue, 28 Aug 2018 14:04:19 +0200
Subject: better docs

---
 it.class | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/it.class b/it.class
index 3720263..6ce68a8 100644
--- a/it.class
+++ b/it.class
@@ -598,8 +598,8 @@ static function filter_keys($array, $keys, $p = array())
  * {0} .. {n} quotes and inserts positional arguments
  * {-opts} array of opts => {value,true,false,null}: it::exec('ls {-opts}', ['-opts' => ["-l" => true]]);
  * @param $cmd Format string with {keywords} a la ET()
- * @param $values (zero, one or more arrays can be passed)
- * @return output of command. shell errors not detectable, see error_log in /www/server/log
+ * @param $values varargs, contains key => val arrays for filling in cmd line. val=null expands to nothing
+ * @return output of command. shell errors not detectable, consider it::system or see  /www/server/log/error_log
  */
 static function exec(/* $cmd, $values1 = array(), ... */)
 {
-- 
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