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-rw-r--r--html/regexp_table.5.html8
1 files changed, 6 insertions, 2 deletions
diff --git a/html/regexp_table.5.html b/html/regexp_table.5.html
index 05cda13..96e4b38 100644
--- a/html/regexp_table.5.html
+++ b/html/regexp_table.5.html
@@ -148,8 +148,12 @@ REGEXP_TABLE(5) REGEXP_TABLE(5)
Postfix parses the result as if it is a file in /etc/postfix.
- Note: if a rule contains <b>$</b>, specify <b>$$</b> to keep Postfix from trying to
- do <i>$name</i> expansion as it evaluates a parameter value.
+ Note: if an inlined rule contains <b>$</b>, specify <b>$$</b> to keep Postfix from
+ trying to do <i>$name</i> expansion as it evaluates a parameter value.
+
+ Note: when using <i>$name</i> inside an inlined pattern, this will not disable
+ metacharacters such as '.' in the <i>$name</i> expansion. To prevent unex-
+ pected matches, use a <a href="pcre_table.5.html">pcre</a>: table, and specify \Q<i>$name</i>\E.
<b>EXAMPLE SMTPD ACCESS MAP</b>
# Disallow sender-specified routing. This is a must if you relay mail