add_theme: Modify properties of an element in a theme object
Description
Modify properties of an element in a theme object
Usage
add_theme(t1, t2, t2name, call = caller_env())
Arguments
- t1
A theme object
- t2
A theme object that is to be added to t1
- t2name
A name of the t2 object. This is used for printing
informative error messages.