Add variables used with NSE functions to globals

This causes R CMD Check notes to vanish.

Author: lorenzwalthert

R/styler.R

@@ -4,4 +4,14 @@
 #'  according to a style guide. See the INDEX for more information.
 #'
 "_PACKAGE"
-if (getRversion() >= "2.15.1") utils::globalVariables(c("."))
+if (getRversion() >= "2.15.1") {
+  utils::globalVariables(c(
+    ".",
+    "pd", "pd_nested", "pd_flat", "flattened_pd",
+    "line1", "line2", "col1", "col2",
+    "terminal", "text", "short",
+    "spaces", "lag_spaces",
+    "newlines", "lag_newlines",
+    NULL
+  ))
+}