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Date: Mon, 03 Mar 2008 11:56:41 -0800
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Subject: Re: [PHP-DEV] [RFC] Replace the flex-based scanner with an re2c [1]
 based lexer
From: stas@zend.com (Stanislav Malyshev)

Hi!

> interface but that wasn't really a good idea. So I came up with a new
> interface and all that this would break is stuff like Phar (well there is

If it breaks phar, it may break others too... Anyway, good description 
of what was changed won't hurt.

>> 2. PHP 5.x is same-major branch, where you are not expected to have to 
>> change your system in order to upgrade.
> Oh since when? Where did you read that?

Since forever, that's why we have major and minor versions.

> I don't care at all. So far the plan was to bring in ICU and there is no

In PHP 6, not 5.3.

> In software there is nothing like 100% Or is everything you work on bug
> free? Mine isn't. It took me more than two years to make re2c ready for
> this task (take this in whatever way you feel).

I'm not talking about bugs. I'm talking about having compatible engine 
implementation. Nobody would require 100% bug-free code, it's not 
realistic. Requirement is that scripts that run on 5.2 would run on 5.3, 
not counting bugs. I guess you agree having no multibyte support does 
not really qualifies as "bug" :) So we are talking about if putting it 
in now might hurt 5.3 release process by postponing it for a long time 
or not. If not - great.

> How so? We don't use git or any other CMS that allows merging at all. I

CVS allows merging. I did it a lot of times. Of course, there could be 
conflicts, but the engine is quite static now, so I don't foresee a lot 
of them.
-- 
Stanislav Malyshev, Zend Software Architect
stas@zend.com   http://www.zend.com/
(408)253-8829   MSN: stas@zend.com