Right expl3 data type and method to store and pass key-value style options to a LaTeX2e macro?
61997
Optional argument not getting set to \makebox through expl3 key assignment
66701
C: Expand Macro With Token Pasting
26307
'Dummy' LaTeX environment
90831
How can one find undocumented options or option values in Mathematica?
74055
How can I see the "implementation" of protected commands such as \LaTeX?
69949
Generating a catcode table in Latex (with \typeout to terminal)?
21832
How to pass comma-separated list as value to l3keys in LaTeX3
45644
TeXstudio: How to associate tex syntax color scheme to non tex file?
60128
What are the valid characters for macro names?
127893
How does LaTeX implement environments?
153825
How to express a polar coordinate for a macro that only accepts space-separated values?
15470
Where can I find help files or documentation for commands like \@startsection for LaTeX?
93025
Shortcuts and/or user-defined shortcuts for math symbols in LaTeX?
136209
Old-style/Antique typesetting in LaTeX/TeX
16020
How to conditionally define a new command in LaTeX?
55611
Using end-of-line delimiter in plain Tex macro
132828
Write conversion factors in LaTeX