L3-Programming-Layer????

[Murat Yildizoglu]

> Le 16 févr. 2021 à 12:30, Andrew Parsloe <ajparsloe at gmail.com> a écrit :
> 
> 
> On 16/02/2021 5:10 pm, Murat Yildizoglu wrote:
>> 
>> 
>>> Le 16 févr. 2021 à 11:07, Richard Kimberly Heck <rikiheck at lyx.org> 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
> 
> -- 
> lyx-users mailing list
> lyx-users at lists.lyx.org
> http://lists.lyx.org/mailman/listinfo/lyx-users

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. :-)
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.lyx.org/pipermail/lyx-users/attachments/20210216/c3fff39f/attachment.html>