2.18.1 Top new questions this week

2.18.1.1 How to include a Lenny face in a LaTeX document? e.g. ( I'\[DownExclamation]A^Degree I'\234E^\226 I'\[DownExclamation]A^Degree)
2.18.1.2 Teach me to debug
2.18.1.3 Why does xcolor lighten a color when mixed
2.18.1.4 In 2016, what are the advantages and disadvantages of the different methods to create a package?
2.18.1.5 \dots plus \left
2.18.1.6 unicode math at TeX primitive level
2.18.1.7 Change "et al." to "and N other authors" or similar
2.18.1.1 How to include a Lenny face in a LaTeX document? e.g. ( I'\[DownExclamation]A^Degree I'\234E^\226 I'\[DownExclamation]A^Degree)

http://tex.stackexchange.com/questions/308600/how-to-include-a-lenny-face-in-a-latex-document-e-g-%cd%a1-%cd%9c%ca%96-%cd%a1

How would one include a "classic" Lenny face in a LaTeX document? 
A paper is due tomorrow and I am curious. e.g. ( I'\[DownExclamation]A^Degree I'\234E^\226 I'\[DownExclamation]A^Degree) 
I have attempted to use the verbatim environment but it has proved  ...
 

- asked by pixatlazaki (77 votes), answered by Kess Vargavind (59 votes)

2.18.1.2 Teach me to debug

http://tex.stackexchange.com/questions/309010/teach-me-to-debug

Ok, 35 years of programming has not prepared me to debug tex errors. It's painful. 
I can't create an MWE because the point is to be able to debug in place. 
Everything was working well, I would  ...
 

- asked by Dov (22 votes), answered by Nicola Talbot (22 votes)

2.18.1.3 Why does xcolor lighten a color when mixed

http://tex.stackexchange.com/questions/308853/why-does-xcolor-lighten-a-color-when-mixed

I'm trying to create a smooth gradient between cyan and blue connecting two shapes, one drawn in cyan and one in blue. 
For that I use a simple mix of the two colors in a \foreach loop. 
However, in  ...
 

- asked by Uri Barenholz (17 votes), answered by Paul Gaborit (15 votes)

2.18.1.4 In 2016, what are the advantages and disadvantages of the different methods to create a package?

http://tex.stackexchange.com/questions/309061/in-2016-what-are-the-advantages-and-disadvantages-of-the-different-methods-to-c

Now we need to make some choices between TeX, LaTeX2e, LaTeX 3, ConTeXt(LuaTeX), LuaLaTeX, XeTeX, XeLaTeX and... 
I don't specially like the syntax of L3 but recently I was impressed by very  ...
 

- asked by Alain Matthes (17 votes), answered by Christian Hupfer (8 votes)

2.18.1.5 \dots plus \left

http://tex.stackexchange.com/questions/308553/dots-plus-left

I have the following MNWE and don't understand why this fails. 
\documentclass{article} 
\usepackage{amsmath} 
\begin{document} 
$\dots \left. \right.$ 
\end{document} 
Understanding the relevant code  ...
 

- asked by Max (14 votes), answered by David Carlisle (15 votes)

2.18.1.6 unicode math at TeX primitive level

http://tex.stackexchange.com/questions/308749/unicode-math-at-tex-primitive-level

I am looking for information how to implement Math OTF font in XeTeX or LuaTeX 
at TeX primitive level (using XeTeX or LuaTeX primitives). There exist a LaTeX package unicode-math. 
Unfortunatelly, this  ...
 

- asked by wipet (13 votes), answered by Joseph Wright (7 votes)

2.18.1.7 Change "et al." to "and N other authors" or similar

http://tex.stackexchange.com/questions/308847/change-et-al-to-and-n-other-authors-or-similar

I'm compiling a bibliography in which some author lists are very long (100+). I know about the "et al." option for BibTeX styles but instead of 
One, Two, Three, et al. (2016) 
or similar, I'd rather  ...
 

- asked by Warrick (12 votes), answered by LlavDem (6 votes)