Changelog

Save R code chunks when submitting a section (without evaluation the code on the server). This prevents cases where users don’t run the R code and hence no answer would be recorded.
Enable code highlighting in server-rendered sections when using R code chunks (fenced within ```{r).
Make client-side attempt storage specific to the exam id and version.
Better handling of cli-styled condition messages.
Add shortcut for specifying exercise solution/setup chunks. Setting exercise.solution=TRUE is short for exercise code chunk label plus -solution. In the following exam, for example, the chunk coding-exercise-solution is taken as the solution to exercise chunk coding-exercise:


```{r coding-exercise, exercise=TRUE, exercise.solution=TRUE}

```

```{r coding-exercise-solution, eval=FALSE}
# here is the solution code
```

Allow exam_config(points_format=) to be a function, as stated in the documentation.
Sanitize exercise code before evaluating. Allow only non-control ASCII characters (range 0x1F—0x7E) and Unicode characters with properties “Alphabetical” and “Math”. Addresses issue where CRLF line-endings and other invisible characters cause the code to be interpreted as invalid without useful error message.
Gracefully handle timed-out exams. After the timelimit + grace period elapsed, a “soft timeout” is initiated, triggering submission of all data from the client up to that point.

Version 0.3.0