Use \frac{choose}{choose} to get non-display size terms in equations

(cherry picked from commit b6fb200f92e8963e27e6e1b69ae03e42d9ea5816)
Put accents to Tóthmérész

(cherry picked from commit cb00951c0da72063db53ed05484d49bf8fa1077d)
tweak diversity-vegan

(cherry picked from commit 4e97c8a81140d59a90e870dc15473befdaccf7e8)
Punctuation of equations in diversity-vegan

(cherry picked from commit 9ef0b322f0ba27932b8d313bcfa38a10cb9f64ed)
typo

(cherry picked from commit 15dc63889dd4039e372e25f0eed0a500f6d6067c)
Add latex \ref to previous word with ~

(cherry picked from commit e7fedefd67c8e6b074a52f186961431c340d6a9a)