Add figure sizing vars

docs/advanced/environment-vars.qmd

@@ -9,7 +9,7 @@ draft: true
 
 These are variables that you can set to control how Quarto renders documents. For example, you can set them explicitly before running `quarto render`:
 
-```{.bash filename="Terminal"}
+``` {.bash filename="Terminal"}
 export QUARTO_R=/opt/R/4.2.3/bin
 quarto render
 ```
@@ -26,34 +26,30 @@ You can read about other ways to set environment variables in Quarto Projects in
 
 These variables are set by Quarto you can query them. For example, you can query them in an executable code cell:
 
-::: {.panel-tabset}
-
+::: panel-tabset
 ## R
 
-```r
+``` r
 Sys.getenv("QUARTO_DOCUMENT_PATH")
 ```
 
 ## Python
 
-```python
+``` python
 import os
 print(os.environ["QUARTO_DOCUMENT_PATH"])
 ```
 
-## Julia 
+## Julia
 
-```julia
+``` julia
 ENV["QUARTO_DOCUMENT_PATH"]
 ```
-
 :::
 
-
-| Variable               | Description                                                                                                |
-|------------------------|------------------------------------------------------------------------------------------------------------|
-| `QUARTO_PROJECT_ROOT`  |  Root of the project, or the directory of the file if not in project mode                                  |
-| `QUARTO_DOCUMENT_PATH` |  Directory of the document being rendered                                                                  |
-| `QUARTO_PROFILE`       |  Profile used, e.g `QUARTO_PROFILE=advanced,production` for `quarto render --profile advanced,production`  |
-
-
+| Variable | Description |
+|----------------|--------------------------------------------------------|
+| `QUARTO_PROJECT_ROOT` | Root of the project, or the directory of the file if not in project mode |
+| `QUARTO_DOCUMENT_PATH` | Directory of the document being rendered |
+| `QUARTO_PROFILE` | Profile used, e.g `QUARTO_PROFILE=advanced,production` for `quarto render --profile advanced,production` |
+| `QUARTO_FIG_WIDTH` and `QUARTO_FIG_HEIGHT` | Values for `fig-width` and `fig-height` as set in the document metadata |