R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'froth'

froth::ArithmeticAndStacks |  | Arithmetic and Stacks | HTML | source | R code
froth::Conditionals |  | Conditionals and Branching | HTML | source | R code
froth::FundamentalFroth |  | Fundamental Froth | HTML | source | R code
froth::Glossary |  | Glossary | HTML | source | R code
froth::Loops |  | Loops | HTML | source | R code
froth::RInterface |  | Interfacing with R | HTML | source | R code
froth::Variables |  | Variables, Constants, and Arrays | HTML | source | R code
froth::froth |  | froth | HTML | source | R code