manpages: Add note on the need of printable passwords (#49).

Author: Alec Leamas

ddupdate-config.8

@@ -15,9 +15,14 @@ The set of available plugins loaded depends on environment variables.
 See PLUGIN LOADING in \fBddupdate(8)\fR.
 
 .SH BUGS
+Passwords given to ddupdate must use printable characters which does not
+require escaping. This is partly a limitation in the script code, partly
+due to the python netrc module capabilities.
+.P
 Does not support  configuration of more advanced features like ipv6 and
 non-standard address-plugins beyond \fIweb-default-ip\fR and \fIdefault-if\fR.
 
+
 .SH SEE ALSO
 .TP 4
 .B ddupdate(8)

ddupdate.8

@@ -225,6 +225,10 @@ update service.
 Setting the XDG_CACHE_HOME environment variable relocates these files to
 $XDG_CACHE_HOME/ddupdate/*.
 
+.SH BUGS
+Passwords used must not contain characters which requires escaping.
+That is, use printable characters; not control chars, tabs, spaces, etc.
+
 .SH "SEE ALSO"
 .TP 4
 .B ddupdate.conf(5)