doc: Mentioned patplex's handling of SIGHUP.

diff --git a/doc/patplex.doc b/doc/patplex.doc
index 657bd45..633b22e 100644 (file)
--- a/doc/patplex.doc
+++ b/doc/patplex.doc
@@ -135,6 +135,17 @@ Additionally, a *match* stanza may contain a *restpat* line:
 If no *match* stanza matches, a 404 response is returned to the
 client.
 
+SIGNALS
+-------
+
+SIGHUP::
+
+       Reread the given configuration file (but not the global
+       file). If any named handlers, as specified by *child* stanzas,
+       are currently running and have stanzas with matching names in
+       the new file, they are left running for those stanzas (even if
+       the *exec* line has changed).
+
 EXAMPLES
 --------