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Re: readchars, seek back, and readchars again

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Joseph Brenner
April 24, 2020 20:23
Re: readchars, seek back, and readchars again
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I was just posting that.

On 4/24/20, Elizabeth Mattijsen <> wrote:
>> On 24 Apr 2020, at 22:03, Joseph Brenner <> wrote:
>> Thanks, yes I understand unicode and utf-8 reasonably well.
>>> So Rakudo has to read the next codepoint to make sure that it isn't a
>>> combining codepoint.
>>> It is probably faking up the reads to look right when reading ASCII, but
>>> failing to do that for wider codepoints.
>> I think it'd be the other way around... the idea here would be it's
>> doing an extra readchar behind the scenes just in-case there's
>> combining chars involved-- so you're figuring there's some confusion
>> about the actual point in the file that's being read and the
>> abstraction that readchars is supplying?
> What does .tell say before and after the readchars?

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