2.1.1 Top new questions this week

2.1.1.1 Additive Roman Numeral 4
2.1.1.2 Create a mapping for transliteration from cyrillic to latin in LuaLaTeX
2.1.1.3 How to \let an xparse defined command?
2.1.1.4 numbered ornament as section title
2.1.1.5 How to implement \ifxcase: case equivalent of \ifx
2.1.1.6 Missing Arabic Ligature due to diacritical marks in ConTeXt MarkIV
2.1.1.7 Understanding etoolbox macro \deflength
2.1.1.1 Additive Roman Numeral 4

http://tex.stackexchange.com/questions/285378/additive-roman-numeral-4

I am working on a diplomatic edition of a 15th century book and it numbers its folios using the standard roman numerals of the time.  I've been using the following to get the page/folio in my header: 
...
 

- asked by guifa (24 votes), answered by egreg (18 votes)

2.1.1.2 Create a mapping for transliteration from cyrillic to latin in LuaLaTeX

http://tex.stackexchange.com/questions/285610/create-a-mapping-for-transliteration-from-cyrillic-to-latin-in-lualatex

I created a .map file for Cyrillic to Latin transliteration as in using xetex for automatic transliteration of Cyrillic letters 
I placed the cyrillic-to-latin.tec file in the folder. 
...
 

- asked by Paolo Polesana (16 votes), answered by michal.h21 (9 votes)

2.1.1.3 How to \let an xparse defined command?

http://tex.stackexchange.com/questions/285551/how-to-let-an-xparse-defined-command

Let \example be an xparse defined command, which takes one optional and one mandatory argument.  The definition of \example cannot be modified (e.g. because it comes from a third-party package). 
The  ...
 

- asked by Henri Menke (13 votes), answered by Joseph Wright (14 votes)

2.1.1.4 numbered ornament as section title

http://tex.stackexchange.com/questions/285373/numbered-ornament-as-section-title

I am trying to recreate a kind of numbered ornament in my section labels. 
The section number comes from a specific font, then is transformed (rotated) and then placed within an image. 
For example,  ...
 

- asked by Tim (12 votes), answered by Alenanno (15 votes)

2.1.1.5 How to implement \ifxcase: case equivalent of \ifx

http://tex.stackexchange.com/questions/285822/how-to-implement-ifxcase-case-equivalent-of-ifx

I am looking for a case equivalent of \ifx. So, when I have nested uses of \ifx it would be cleaner to specify it in some sort of syntax similar to: 
\newcommand*{\ColorSymbol}[1]{% 
\ifxcase#1{% 
...
 

- asked by Peter Grill (11 votes), answered by David Carlisle (12 votes)

2.1.1.6 Missing Arabic Ligature due to diacritical marks in ConTeXt MarkIV

http://tex.stackexchange.com/questions/285712/missing-arabic-ligature-due-to-diacritical-marks-in-context-markiv

I am having an issue with Arabic Font Ligatures showing discrepancy between ConTeXt and XeLateX, when using the same font namely Scheherazade. The issue is not present when using XeLateX but only  ...
 

- asked by Ibn Saeed (10 votes), answered by Paolo Brasolin (6 votes)

2.1.1.7 Understanding etoolbox macro \deflength

http://tex.stackexchange.com/questions/286168/understanding-etoolbox-macro-deflength

The etoolbox package documentation says about \deflength: 
This command may be used as a drop-in replacement for \setlength. 
I am having trouble getting it to work with the \minof macro from the  ...
 

- asked by StrongBad (10 votes), answered by Christian Hupfer (7 votes)