3.18.1 Top new questions this week

3.18.1.1 Why should the "H" option not be used in floats?
3.18.1.2 TikZ silhouette of human face seen from the side
3.18.1.3 Fill a lua table with lowercase/uppercase pairs.
3.18.1.4 Deactivate protrusion for active character `A^<<
3.18.1.5 Access to the parts of glue registry
3.18.1.6 Value of LuaTeXa^\200\231s \mathstyle in \frac (de)nominator
3.18.1.7 LuaLaTeX: Change kerning around "1" to simulate proportional figures
3.18.1.1 Why should the "H" option not be used in floats?

https://tex.stackexchange.com/questions/370627/why-should-the-h-option-not-be-used-in-floats

Every now and then a question/answer with a float environment with option H appears, and every time someone points out that this option should not be used. 
However, I haven't found a specific post  ...
 

- asked by CarLaTeX (34 votes), answered by David Carlisle (35 votes)

3.18.1.2 TikZ silhouette of human face seen from the side

https://tex.stackexchange.com/questions/370961/tikz-silhouette-of-human-face-seen-from-the-side

I am trying to make this picture in TikZ. 
I wondered if anyone had already needed a silhouette of a human face, and therefore maybe had some code for a plot or something. 
Just in case anyone had  ...
 

- asked by mriisa (16 votes), answered by lblb (28 votes)

3.18.1.3 Fill a lua table with lowercase/uppercase pairs.

https://tex.stackexchange.com/questions/370799/fill-a-lua-table-with-lowercase-uppercase-pairs

I would like to add the Letters=Uppercase option to a font which hasn't the needed open type feature built in. 
This is (with lualatex) possible like this: 
\documentclass{article} 
\directlua 
{ 
...
 

- asked by Ulrike Fischer (13 votes), answered by michal.h21 (11 votes)

3.18.1.4 Deactivate protrusion for active character `A^<<

https://tex.stackexchange.com/questions/370699/deactivate-protrusion-for-active-character

Is ist possible to deactivate microtypea^\200\231s protrusion for certain characters only? Ia^\200\231m trying to make A^<<#1A^>> a shortcut for \fbox{#1} but it wona^\200\231t work unless I deactivate protrusion completly. 
% !TeX  ...
 

- asked by Tobi (12 votes), answered by egreg (12 votes)

3.18.1.5 Access to the parts of glue registry

https://tex.stackexchange.com/questions/370614/access-to-the-parts-of-glue-registry

This might be a silly question, but I can't seem to be able to find the answer anywhere: suppose I have this simple plain TeX code: 
\newskip\myskip 
\myskip = 10pt plus 4pt minus 2pt 
Now, how can I  ...
 

- asked by Marcel S. (12 votes), answered by David Carlisle (10 votes)

3.18.1.6 Value of LuaTeXa^\200\231s \mathstyle in \frac (de)nominator

https://tex.stackexchange.com/questions/371134/value-of-luatex-s-mathstyle-in-frac-denominator

This is a followup question of How to transfer math style in \hbox_set?. 
While the code I posted there as an answer using LuaTeXa^\200\231s \mathstyle primitive it doesna^\200\231t work inside of the (de)nominator of  ...
 

- asked by Tobi (11 votes), answered by David Carlisle (14 votes)

3.18.1.7 LuaLaTeX: Change kerning around "1" to simulate proportional figures

https://tex.stackexchange.com/questions/370456/lualatex-change-kerning-around-1-to-simulate-proportional-figures

I have the problem that both the original Helvetica and the Neue Helevetica font families by Linotype, in their OpenType versions, seem to not have proportional figures, only tabular figures, where  ...
 

- asked by lblb (10 votes), answered by David Carlisle (10 votes)