7.69.3 Can you answer these questions?

7.69.3.1 How to draw a vector in a surface with asymptote?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=621245

This is my code so far: 
import three; 
import math; 
texpreamble("\usepackage{bm}"); 
texpreamble("\newcommand{\ex}{\bm{e}_x}"); 
texpreamble("\newcommand{\ey}{\bm{e}_y}"); 
... 
[asymptote]
 

asked by Andreas Schuldei https://tex.stackexchange.com/landing/r/digest?cta=user&id=230438 1 vote

7.69.3.2 An Index for an Enumerate Document

https://tex.stackexchange.com/landing/r/digest?cta=question&id=620832

Consider the code 
\documentclass{book} 
\usepackage{tcolorbox} 
\usepackage{imakeidx} 
\makeindex 
\usepackage{idxlayout} 
\newtcbox{\blackbox}[1][]{nobeforeafter, notitle, %sharpcorners, 
colframe=... 
[pdftex] [page-numbering] [indexing] [imakeidx] [makeindex]
 

asked by mlchristians https://tex.stackexchange.com/landing/r/digest?cta=user&id=192836 1 vote

answered by Don Hosek https://tex.stackexchange.com/landing/r/digest?cta=user&id=202780 0 votes

7.69.3.3 Addendum to the Post "How to Handle Typesetting an Aberrant Footnote"

https://tex.stackexchange.com/landing/r/digest?cta=question&id=621072

This question is an addendum to How to Handle Typesetting an Aberrant Footnote 
I am trying to adapt Werner's answer to the case where within the sequence of enumerated footnotes, I have one which is a ... 
[pdftex] [numbering] [lists] [footnotes]
 

asked by mlchristians https://tex.stackexchange.com/landing/r/digest?cta=user&id=192836 1 vote

answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 0 votes