On Wed, Oct 24, 2018 at 12:43 AM luigi scarso <luigi.sca...@gmail.com>
wrote:
>
>
> On Tue, Oct 23, 2018 at 11:44 PM Marcel Krüger <t...@2krueger.de> wrote:
>
>> Hi,
>>
>> I think there is a bug in `io.open` in --safer mode:
>>
>> \directlua{
>> io.open(tex.jobname .. '.tex'):close()
>> }
>> \bye
>>
>> If this document is run with `luatex --safer` it leads to `bad argument
>> #1 to 'gsub' (string expected, got nil)`.
>>
>> The problem is a missing `not` in luatex-core.lua, function
>> luatex_io_open_readonly:
>> The default argument 'r' is used if an explicit argument is given and
>> when no "how" argument
>> is given it tries to interpret the non existing argument.
>>
> hm this is tricky.. we have to check it carefully,
> these "safer" modes are quite complicated things.
>
> We have committed a patch that also set debug=nil,
--- so statistics using debug doesn't work in --safer .
--
luigi
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