> Le 16 févr. 2021 à 12:30, Andrew Parsloe <[email protected]> a écrit :
>
>
> On 16/02/2021 5:10 pm, Murat Yildizoglu wrote:
>>
>>
>>> Le 16 févr. 2021 à 11:07, Richard Kimberly Heck <[email protected]> a écrit :
>>>
>>> On 2/15/21 10:55 PM, Murat Yildizoglu wrote:
>>>> Dear Lyxers,
>>>>
>>>> I have recently observed that I see the message (L3-Programming-Layer)
>>>> followed by a date (2021-02-06) in the status bar when I compile a
>>>> document.
>>>>
>>>> Do you have any idea about its meaning and origin?
>>>
>>> That is the LaTeX version you have telling you that it is the latest and
>>> greatest.
>>>
>>> Riki
>>>
>>>
>>
>> Ah, Thank you Richard!
>> I have recently updated to MacTex 2020 and this change came with it probably.
>>
>> Happy to use the greatest version! :-)
>>
>> —
>>
>> Prof. Murat Yildizoglu
> More specifically: L3 (usually lowercase l3) refers to the LaTeX3 project
> which has created a suite of macros organized into a programming language
> expl3 that is systematic in a way that TeX and LaTeX2e are not (although in
> the end the functions/statements in expl3 resolve themselves into TeX
> commands). See the documentation in the l3kernel package, particularly
> interface3.pdf. Increasing numbers of packages are being created using expl3.
> I've managed to write a couple, one stretching to many thousands of lines of
> code, whereas I struggle to cobble 5 lines of (La)TeX together. I presume
> the message in LyX means it is using expl3.
>
> Andrew
>
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Thank you Andrew for this interesting information. I have followed the
development of L3 in the beginning but stopped it because it was quite slow to
start. I am happy to see that it became a reality now. I started to write my
PhD by using TeX before the arrival of LaTeX to France. The syntax of the TeX
language was quite headache inducing for me. :-)
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