change_font_size()
Change the editor font size
change_font_size_addin()
Change font size addin
decrement_font_size()
Decrement current font size
get_current_editor_theme()
Get the current rstudio editor theme
increment_font_size()
Increment current font size
set_teach_mode_settings()
Set the options for rsTeachMode
toggle_teach_mode()
Toggle between user preferences and teaching preferences