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https://issues.apache.org/jira/browse/LUCENE-2167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12883659#action_12883659
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Steven Rowe commented on LUCENE-2167:
-------------------------------------
Robert,
Special handling for bracketed URLs makes no sense - that rule can be dropped.
Bracketed emails are useful, though, since the domain in the host portion
doesn't need to be a registerable domain. I think this could be handled with
two changes to the bracketed email rule. Here it is in the form you wrote:
{code}
"<" {EMAILaddressLoose} ">" { return EMAIL_TYPE; }
{code}
Here is my suggestion:
{code}
"<" {EMAILaddressLoose} / ">" { ++zzStartRead; return EMAIL_TYPE; }
{code}
This combines incrementing the start of the matched region ({{++zzStartRead;}})
and lookahead for the trailing angle bracket ({{/ ">"}}). AFAICT, directly
modifying {{zzStartRead}} shouldn't cause any problems. After this rule
completes, the trailing angle bracket will be at the beginning of the remaining
text to be matched.
> Implement StandardTokenizer with the UAX#29 Standard
> ----------------------------------------------------
>
> Key: LUCENE-2167
> URL: https://issues.apache.org/jira/browse/LUCENE-2167
> Project: Lucene - Java
> Issue Type: New Feature
> Components: contrib/analyzers
> Affects Versions: 3.1
> Reporter: Shyamal Prasad
> Assignee: Robert Muir
> Priority: Minor
> Attachments: LUCENE-2167-jflex-tld-macro-gen.patch,
> LUCENE-2167-jflex-tld-macro-gen.patch, LUCENE-2167-jflex-tld-macro-gen.patch,
> LUCENE-2167-lucene-buildhelper-maven-plugin.patch,
> LUCENE-2167.benchmark.patch, LUCENE-2167.benchmark.patch, LUCENE-2167.patch,
> LUCENE-2167.patch, LUCENE-2167.patch, LUCENE-2167.patch, LUCENE-2167.patch,
> LUCENE-2167.patch, LUCENE-2167.patch, LUCENE-2167.patch, LUCENE-2167.patch,
> LUCENE-2167.patch, LUCENE-2167.patch, LUCENE-2167.patch, standard.zip
>
> Original Estimate: 0.5h
> Remaining Estimate: 0.5h
>
> It would be really nice for StandardTokenizer to adhere straight to the
> standard as much as we can with jflex. Then its name would actually make
> sense.
> Such a transition would involve renaming the old StandardTokenizer to
> EuropeanTokenizer, as its javadoc claims:
> bq. This should be a good tokenizer for most European-language documents
> The new StandardTokenizer could then say
> bq. This should be a good tokenizer for most languages.
> All the english/euro-centric stuff like the acronym/company/apostrophe stuff
> can stay with that EuropeanTokenizer, and it could be used by the european
> analyzers.
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