fix: For 'pattern' scales 'na.value' is now "none"

* The default `na.value` for `scale_pattern_continuous()`, `scale_pattern_discrete()`, and `scale_pattern_manual()` is now "none" (#107).

closes #107

Author: trevorld

DESCRIPTION

@@ -69,6 +69,7 @@ Collate:
     'pattern.R'
     'polygon_df.R'
     'scale-pattern-alpha.R'
+    'scale-pattern-auto.R'
     'scale-pattern-brewer.R'
     'scale-pattern-colour.R'
     'scale-pattern-gradient.R'

NEWS.md

@@ -32,6 +32,7 @@
 * `draw_key_boxplot_pattern()`, `draw_key_crossbar_pattern()`, and `draw_key_polygon_pattern()` `aspect_ratio` argument
   now defaults to `get_aspect_ratio()`.
 * Several (continuous) scales now have an `...` argument which will be passed to `ggplot2::continuous_scale()`.
+* The default `na.value` for `scale_pattern_continuous()`, `scale_pattern_discrete()`, and `scale_pattern_manual()` is now "none" (#107).
 
 # ggpattern 1.0.1