‘That’s cursed’, I say typing
Catherine: couldn’t compilecatcod`/ς 11
into my TeX file, after having already done the same for half the lowercase Greek alphabet. No one tell Knuth I’ve read the first 7 sections of The TeXbook and no more with the express purpose of doing this.
It feels inconsitent to not have done these thing yet, given that mathematical programming in theorem provers has widely embraced using various non-ASCII characters. Though I wonder how people would feel about me doing this
EDIT № 2: Removing the slashes fixed this 
. I don’t know what I’m doing and should absolutely be reading about what \catcode actually does.
% Illicit format adjustments for UTF-8 things
% Allow Greek characters in command names
\catcode`α 11
\catcode`β 11
\catcode`γ 11
\catcode`δ 11
\catcode`ε 11
\catcode`ζ 11
\catcode`η 11
\catcode`θ 11
\catcode`ι 11
\catcode`λ 11
\catcode`μ 11
\catcode`ν 11
\catcode`ξ 11
\catcode`ο 11
\catcode`ρ 11
\catcode`σ 11
\catcode`ς 11
\catcode`τ 11
\catcode`υ 11
\catcode`φ 11
\catcode`ϕ 11
\catcode`χ 11
\catcode`ψ 11
\catcode`ω 11
\catcode`Α 11
\catcode`Β 11
\catcode`Γ 11
\catcode`Δ 11
\catcode`Ε 11
\catcode`Ζ 11
\catcode`Η 11
\catcode`Θ 11
\catcode`Ι 11
\catcode`Λ 11
\catcode`Μ 11
\catcode`Ν 11
\catcode`Ξ 11
\catcode`Ο 11
\catcode`Ρ 11
\catcode`Σ 11
\catcode`Τ 11
\catcode`Υ 11
\catcode`Φ 11
\catcode`Χ 11
\catcode`Φ 11
\catcode`Ω 11
Evelyn🏳️⚧️🏳️⚧️\vλ than type \vlambda. I also find the former more readable. Generally, any macro that I want to reference some Greek character can be more readable (to me). I struggle to give more specific examples, but I've run up against this repeatedly