12.16.3 Can you answer these questions?

12.16.3.1 cleveref+amsthm clashes with \DocumentMetadata

https://tex.stackexchange.com/landing/r/digest?cta=question&id=760427

The MWE 
\DocumentMetadata{} 
\documentclass{article} 
\usepackage{amsthm} 
\usepackage{cleveref} 
\newtheorem{theorem}{Theorem}[subsection] 
\newtheorem{definition}[theorem]{Definition} 
\begin{document} 
... 
[cleveref] [documentmetadata]
 

asked by Gargantuar https://tex.stackexchange.com/landing/r/digest?cta=user&id=172890 Score of 1

12.16.3.2 this user-defined tagging command breaks with `\labelcref` for `\documentclass book `

https://tex.stackexchange.com/landing/r/digest?cta=question&id=760559

This is a follow-up to this question. 
I have a user-defined command which allows numbering & referencing of a single line in a starred, multiline equation environment, replacing the need to use an ... 
[macros] [labels] [cleveref] [patching]
                                                                                  

                                                                                  
 

asked by jonnybolton16 https://tex.stackexchange.com/landing/r/digest?cta=user&id=214170 Score of 2

12.16.3.3 How to reference the \part number in \setuptexts [header][text]?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=760642

According to the big PDF ConTeXt commands, the command \namedstructurevariable has the following form: 
\namedstructurevariable {section} {key} 
Where can a list of the options for key be found? 
The ... 
[sectioning] [context]
 

asked by Gary https://tex.stackexchange.com/landing/r/digest?cta=user&id=324837 Score of 1