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doc: document that property names are unique 

Both queries and definitions only support each individual name appearing once.
It is an error to have a name appear more than once.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16716)

(cherry picked from commit 78de5a94d8)
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Pauli 2021-09-30 11:39:41 +10:00
parent c3b89fc770
commit ce5b392c8d
1 changed files with 3 additions and 1 deletions
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doc/man7/property.pod
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@ -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: