6.49.3 Can you answer these questions?

6.49.3.1 How to change Appendices name to Spanish with sections (and avoid to have only "A" in the TOC)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=560657

I want to have an Appendix that has two sections (Anexo I and Anexo II). Every section may have subsections. However I don't want that the TOC shows 
A Anexo I and B Anexo II. I want that TOC only ... 
[table-of-contents] [appendices] [appendix] [spanish]
 

asked by Eva https://tex.stackexchange.com/landing/r/digest?cta=user&id=220031 1 vote

6.49.3.2 Use Abbrivation when citing with Biblatex

https://tex.stackexchange.com/landing/r/digest?cta=question&id=560425

I am learning to use biblatex for my thesis. I have a question regarding the citation. I would like to cite a dictionary (book) as an abbreviation in the text and show it in the bibliography as 
... 
[biblatex]
 

asked by Vipmagnifique https://tex.stackexchange.com/landing/r/digest?cta=user&id=223415 1 vote

6.49.3.3 using xstring to obtain lead author's last name from authblk in a class file

https://tex.stackexchange.com/landing/r/digest?cta=question&id=560345

I would like to query the last name of the first author of an article and then put it into the header. I use \StrBetween on the \AB@authlist macro to get the part of the string between the first space ... 
[documentclass-writing] [xstring] [authblk]
 

asked by ferstad https://tex.stackexchange.com/landing/r/digest?cta=user&id=223367 1 vote