Use <> to represent PropertyNotEquals

Description

Quick issue reported to geotools-devel:

Hi all,

Last Friday, some of my fellow GeoMesans noticed that ECQL.toFilter
writes out PropertyIsNotEqual with != rather than &lt;&gt; (which is what the
EBNF specifies). Anyhow, Chris tossed up a PR here:
https://github.com/geotools/geotools/pull/772 - https://github.com/geotools/geotools/pull/772.

Anyhow, I wanted to start a discussion of the 'correct' behavior of
toFilter and also to bump the PR.

Thanks in advance,

Jim

Environment

None

Assignee

Unassigned

Reporter

codehaus

Triage

None

Components

Fix versions

Affects versions

Priority

Medium
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