* test pkgdown config

* test

This reverts commit 268f606.

Pkgdown

…ons/tree/HEAD/setup-r-dependencies#readme

* Update example of tm_layout to silence R CMD CHECK note.

* Update tm_symbols example to silence R CMD CHECK NOTE

* Fix R CMD CHECK on class

* Add :: for non-base functions.

* Remove :: or ::: usage for internal tmap functions.

…ryCatch to fix a bug introduced by

a713947

…omeone tries to install the development version. To be deleted.

…ing.

  > # Example to illustrate the type of titles
  > tm_shape(World) +
  + 	tm_polygons(c("income_grp", "economy"), title = c("Legend Title 1", "Legend Title 2")) +
  + 	tm_layout(main.title = "Main Title",
  + 			  main.title.position = "center",
  + 			  main.title.color = "blue",
  + 			  title = c("Title 1", "Title 2"),
  + 			  title.color = "red",
  + 			  panel.labels = c("Panel Label 1", "Panel Label 2"),
  + 			  panel.label.color = "purple",
  + 			  legend.text.color = "brown")
  Deprecated tmap v3 code detected. Code translated to v4
  Warning: The 'title' argument of tm_layout is deprecated as of tmap 4.0. Please use tm_title instead.
  Warning: The 'main.title' argument of tm_layout is deprecated as of tmap 4.0. Please use tm_title instead.
  Error in if (is.ena(l$title)) l$title = paste0(names(v), attr(cls, "units")) :
    the condition has length > 1
  Calls: <Anonymous> ... with -> with.default -> eval -> eval -> apply_scale

Propose an alternative to make it an error.