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https://issues.apache.org/jira/browse/LUCENE-2167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12929594#action_12929594
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Robert Muir commented on LUCENE-2167:
-------------------------------------

{quote}
This is obvious. And that's why I was talking about wrapping Reader in an 
Attribute, not copying its contents.
How to do so, is much less obvious. And that's why I called it a problem.
{quote}

its not a problem, its just not possible. Because you don't know the required 
context of some downstream 
"composed" "partial-tokenizer" or whatever, so it must be all read in... 

I don't think we need to provide FooAnalyzer or even FooTokenizer that solves 
everyone's special case problems,
its domain-dependent and not possible anyway... these are just general ones 
that solve a majority of use cases, examples really.

This is why i think a simple UAX#29 standard should be the default... we can 
certainly have alternatives that do certain common things
that people want though, no problem with that.


> 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, 4.0
>            Reporter: Shyamal Prasad
>            Assignee: Steven Rowe
>            Priority: Minor
>             Fix For: 3.1, 4.0
>
>         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.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, LUCENE-2167.patch, LUCENE-2167.patch, 
> LUCENE-2167.patch, LUCENE-2167.patch, LUCENE-2167.patch, LUCENE-2167.patch, 
> LUCENE-2167.patch, standard.zip, StandardTokenizerImpl.jflex
>
>   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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