Explain when the surrounding double quotes arround the expr argument MUST be avoided.

Fix an example to add these surrounding quotes to be consistent and in line with 2.4.x

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1829390 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/docs/manual/mod/mod_authz_core.xml b/docs/manual/mod/mod_authz_core.xml
index 40bcc2505854155e5c7da11a21a594805c589efd..27e71486043512eb984d6150361a80b82686e2e9 100644 (file)
--- a/docs/manual/mod/mod_authz_core.xml
+++ b/docs/manual/mod/mod_authz_core.xml
@@ -180,7 +180,7 @@ SetEnvIf User-Agent "^KnockKnock/2\.0" let_me_in
   decisions on arbitrary expressions.</p>
 
     <highlight language="config">
-        Require expr %{TIME_HOUR} -ge 9 &amp;&amp; %{TIME_HOUR} -le 17
+        Require expr "%{TIME_HOUR} -ge 9 &amp;&amp; %{TIME_HOUR} -le 17"
     </highlight>
 
     <highlight language="config">
@@ -195,7 +195,8 @@ SetEnvIf User-Agent "^KnockKnock/2\.0" let_me_in
     </highlight>
 
   <p>The syntax is described in the <a href="../expr.html">ap_expr</a>
-  documentation.</p>
+  documentation. Before httpd 2.4.16, the surrounding double-quotes MUST be
+  omitted.</p>
 
   <p>Normally, the expression is evaluated before authentication. However, if
   the expression returns false and references the variable