Documentation patches

[Sven Neuhaus]

Hello,

there's a semicolon missing in the MILTER_README.html, breaking a HTML
entity.
After noticing that I went looking and found two more missing semicolons
in the SMTPD_ACCESS_README.html and some unescaped ampersands in
FORWARD_SECRECY_README.html

I've attached patches against postfix-3.3-20170730.

Regards,
-Sven Neuhaus

--- SMTPD_ACCESS_README.html.orig	2017-08-22 14:35:36.946353485 +0200
+++ SMTPD_ACCESS_README.html	2017-08-22 14:35:53.442353927 +0200
@@ -251,7 +251,7 @@
 relay policy</td>
 <td rowspan="2"> Reject RCPT TO information </td> </tr>
 
-<tr> <td> &lt 2.10</td> <td> Not available </td> 
+<tr> <td> &lt; 2.10</td> <td> Not available </td> 
 </tr>
 
 <tr> <td rowspan="2"> <a href="postconf.5.html#smtpd_recipient_restrictions">smtpd_recipient_restrictions</a> </td> <td> &ge;
@@ -259,7 +259,7 @@
 relay policy</td>
 <td rowspan="2"> Reject RCPT TO information </td> </tr>
 
-<tr> <td> &lt 2.10</td> <td> Required </td> </tr>
+<tr> <td> &lt; 2.10</td> <td> Required </td> </tr>
 
 <tr> <td> <a href="postconf.5.html#smtpd_data_restrictions">smtpd_data_restrictions</a> </td> <td> &ge; 2.0 </td> <td>
 Optional </td> <td>

--- MILTER_README.html.orig	2016-10-24 03:27:22.000000000 +0200
+++ MILTER_README.html	2017-08-22 14:28:16.950341702 +0200
@@ -785,7 +785,7 @@
 
 <li> <p> Some Milter applications use the "<tt>{if_addr}</tt>" macro
 to recognize local mail; this macro does not exist in Postfix.
-Workaround: use the "<tt>{daemon_addr}</tt>" (Postfix &ge 3.2) or
+Workaround: use the "<tt>{daemon_addr}</tt>" (Postfix &ge; 3.2) or
 "<tt>{client_addr}</tt>" macro instead. </p>
 
 <li> <p> Some Milter applications log a warning that looks like

344,346c344,346
< # openssl dhparam -out dh512.tmp 512 && mv dh512.tmp dh512.pem
< # openssl dhparam -out dh1024.tmp 1024 && mv dh1024.tmp dh1024.pem
< # openssl dhparam -out dh2048.tmp 2048 && mv dh2048.tmp dh2048.pem
---
> # openssl dhparam -out dh512.tmp 512 &amp;&amp; mv dh512.tmp dh512.pem
> # openssl dhparam -out dh1024.tmp 1024 &amp;&amp; mv dh1024.tmp dh1024.pem
> # openssl dhparam -out dh2048.tmp 2048 &amp;&amp; mv dh2048.tmp dh2048.pem