try pkg() in index.qmd

index.qmd

@@ -51,10 +51,16 @@ The following typographic conventions are used in this book:
 
 * _italic_ : indicates terms to be _emphasized_ or defined in the text, ...
 
-* **bold** : is used for names of R packages 
+* **bold** : is used for names of R packages. 
+  [Or, better yet:  **`bold monospace`**.
+  I can now use inline 'pkg("lattice")' e.g., `r pkg("lattice")`, or also with a citation,
+  `pkg("lattice", cite=TRUE)` -> `r pkg("lattice", cite=TRUE)`
 
 * `fixed-width` : is used in program listings as well as in text to refer to variable and function names, R statement elements and keywords.
 
+* R code in program listings and output is presented in `monospaced (typewriter)` font,
+  [`fira mono`](https://fonts.google.com/specimen/Fira+Mono)
+
 * _`fixed-width italic`_ : isn't used yet, but probably should be.
 
 For R functions in packages, we use the notation `package::function()`, for example: `car::Anova()` to identify where those functions are defined