Inspect or change COPYRIGHT.
Usage
px_copyright(x, value, validate)
# S3 method for class 'px'
px_copyright(x, value, validate = TRUE)Arguments
- x
- A px object 
- value
- Optional. A character string. If missing, the current COPYRIGHT is returned. If NULL, COPYRIGHT is removed. 
- validate
- Optional. If TRUE a number of validation checks are performed on the px object, and an error is thrown if the object is not valid. If FALSE, the checks are skipped, which can be usefull for large px objects where the check can be time consuming. Use - px_validate()to manually preform the check.
Examples
# Set COPYRIGHT
x1 <-
   px(population_gl) |>
   px_copyright('YES')
# Print COPYRIGHT
px_copyright(x1)
#> [1] "YES"
# Remove COPYRIGHT
x2 <- px_copyright(x1, NULL)
px_copyright(x2)
#> NULL
