ess_lib.c: Changed ERR_LIB_CMS to ERR_LIB_ESS

[openssl.git] / doc / man7 / property.pod

diff --git a/doc/man7/property.pod b/doc/man7/property.pod
index a75f262246f5cce0d0e71d941b57b8ea785a4e39..eb0f6b176ccb9ab0f7845f10e85cea2ba44f362b 100644 (file)
--- a/doc/man7/property.pod
+++ b/doc/man7/property.pod
@@ -41,7 +41,8 @@ property names like
 
 A I<property> is a I<name=value> pair.
 A I<property definition> is a sequence of comma separated properties.
-There can be any number of properties in a definition.
+There can be any number of properties in a definition, however each name must
+be unique.
 For example: "" defines an empty property definition (i.e., no restriction);
 "my.foo=bar" defines a property named I<my.foo> which has a string value I<bar>
 and "iteration.count=3" defines a property named I<iteration.count> which
@@ -68,6 +69,7 @@ Matching such clauses is not a requirement, but any additional optional
 match counts in favor of the algorithm.
 More details about that in the B<Lookups> section.
 A I<property query> is a sequence of comma separated property query clauses.
+It is an error if a property name appears in more than one query clause.
 The full syntax for property queries appears below, but the available syntactic
 features are:
 
@@ -152,9 +154,12 @@ The lexical syntax in EBNF is given by:
  Value          ::= NumberLiteral | StringLiteral
  StringLiteral  ::= QuotedString | UnquotedString
  QuotedString   ::= '"' [^"]* '"' | "'" [^']* "'"
- UnquotedString ::= [^{space},]+
+ UnquotedString ::= [A-Za-z] [^{space},]+
  NumberLiteral  ::= '0' ( [0-7]* | 'x' [0-9A-Fa-f]+ ) | '-'? [1-9] [0-9]+
- PropertyName   ::= [A-Z] [A-Z0-9_]* ( '.' [A-Z] [A-Z0-9_]* )*
+ PropertyName   ::= [A-Za-z] [A-Za-z0-9_]* ( '.' [A-Za-z] [A-Za-z0-9_]* )*
+
+The flavour of EBNF being used is defined by:
+L<https://www.w3.org/TR/2010/REC-xquery-20101214/#EBNFNotation>.
 
 =head1 HISTORY
 
@@ -162,7 +167,7 @@ Properties were added in OpenSSL 3.0
 
 =head1 COPYRIGHT
 
-Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2019-2023 The OpenSSL Project Authors. All Rights Reserved.
 
 Licensed under the Apache License 2.0 (the "License").  You may not use
 this file except in compliance with the License.  You can obtain a copy