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-rw-r--r--docs/manual/programs/httpd.xml7
1 files changed, 5 insertions, 2 deletions
diff --git a/docs/manual/programs/httpd.xml b/docs/manual/programs/httpd.xml
index fa3951f5de..4115f5adf6 100644
--- a/docs/manual/programs/httpd.xml
+++ b/docs/manual/programs/httpd.xml
@@ -105,8 +105,11 @@ files.</dd>
<dd>Sets a configuration <var>parameter </var>which can be used with
<directive type="section" module="core">IfDefine</directive> sections
-in the configuration files to conditionally skip or process
-commands at server startup and restart.</dd>
+in the configuration files to conditionally skip or process commands
+at server startup and restart. Also can be used to set certain
+less-common startup parameters including <code>-DNO_DETACH</code>
+(prevent the parent from forking) and <code>-DFOREGROUND</code>
+(prevent the parent from calling <code>setsid()</code> et al).</dd>
<dt><code>-e <var>level</var></code></dt>