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Date: Thu, 14 Jul 2022 18:23:43 -0400
From: Bruce Momjian <bruce@momjian.us>
To: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: Tom Lane <tgl@sss.pgh.pa.us>,
	"David G. Johnston" <david.g.johnston@gmail.com>,
	jhebert@micron.com, Pg Docs <pgsql-docs@lists.postgresql.org>
Subject: Re: Documentation Suggestion
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On Tue, May 24, 2022 at 08:36:18AM -0400, Bruce Momjian wrote:
> fOn Sat, May 14, 2022 at 05:21:58PM +0200, Álvaro Herrera wrote:
> > On 2022-May-13, Bruce Momjian wrote:
> > > 	Note that valid --auth option values are all lower case, even
> > > 	for authentication types that typically appear as all upper case,
> > > 	e.g., "LDAP".
> > 
> > Yeah, that was my initial thought too.  The case-sensitivity is a
> > consideration for other things too (such as locale or encoding names),
> > but for those we do match the operating system name exactly, rather than
> > using our own lower-case version of it, which nobody else uses.
> > 
> > So really the point is not about the fact that it is case sensitive as
> > that the case of our name doesn't match the usual one.  Maybe the note
> > should be "Note that authentication types are all lower case, [even for
> > ...]" or something like that.

Here is a patch that implements this.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Indecision is a decision.  Inaction is an action.  Mark Batterson


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diff --git a/doc/src/sgml/client-auth.sgml b/doc/src/sgml/client-auth.sgml
index b2a459fb0d..433759928b 100644
--- a/doc/src/sgml/client-auth.sgml
+++ b/doc/src/sgml/client-auth.sgml
@@ -417,7 +417,9 @@ hostnogssenc  <replaceable>database</replaceable>  <replaceable>user</replaceabl
       <para>
        Specifies the authentication method to use when a connection matches
        this record. The possible choices are summarized here; details
-       are in <xref linkend="auth-methods"/>.
+       are in <xref linkend="auth-methods"/>.  All the options
+       are lower case and treated case sensitively, so even acronyms like
+       <literal>ldap</literal> must be specified as lower case.
 
        <variablelist>
         <varlistentry>

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