`\iffmode` fails for first token in matrix cells
47961
\ifmmode doesn't seem to work correctly inside an array environment
121666
How do I apply both \mathbf and \left to a \langle?
138028
Using brackets as delimiters for matrix in TikZ-PGF Matrix Library
5374
How to check if a macro value is empty or will not create text with plain TeX conditionals?
81461
How to grab output from evaluating input cells in a generated notebook
84970
Is that a bug between `xymatrix`, the `input` command and .sty file?
77483
error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘{’ token
52289
How to fix an odd interaction between the tabularx and ntheorem packages?
19878
How to use testfor with a mob with a two-word name?
27627
Confusion with the assignment operation inside a falsy `if` block
29438
Blank lines or \par break xparse or ifthen macro
17187
Removing the Bracket from the First Line of bmatrix
55435
Parenthesis vs brackets for matrices
118210
Compiler error when declaring a variable inside if condition and no curly braces
101846
commath and \ifinner
66408
Conditional operator cannot cast implicitly?
94864
What is a more elegant solution to these nested if/elseif statements?