Update dependence on 'ggrepel'

Stick to currently released version.

DESCRIPTION

@@ -42,7 +42,7 @@ Suggests:
     knitr (>= 1.29),
     rmarkdown (>= 2.3),
     gginnards(>= 0.1.0),
-    ggrepel (> 0.9.1),
+    ggrepel (>= 0.9.1),
     magick (>= 2.6.0)
 URL: https://docs.r4photobiology.info/ggpp/, 
      https://github.com/aphalo/ggpp

NEWS.md

@@ -6,7 +6,7 @@ editor_options:
 
 # ggpp 0.4.3
 
-- Update the vignette
+-   Update the vignette.
 
 # ggpp 0.4.2
 

vignettes/grammar-extensions.R

@@ -496,15 +496,17 @@ ggplot(df, aes(x, y, label = ifelse(x < 1, "", l) )) +
                   hjust = "left") +
   expand_limits(x = 3)
 
-## -----------------------------------------------------------------------------
+## ---- eval=eval_ggrepel-------------------------------------------------------
 ggplot(df, aes(x, y, label = l)) +
   geom_point(color = "red", size = 3) +
-  geom_text(position = position_nudge_to(y = -2.5), 
-            size = 3,
-            color = "red",
-            angle = 90,
-            hjust = 0,
-            check_overlap = TRUE) +
+  geom_text_repel(position = position_nudge_to(y = -2.5), 
+                  size = 3,
+                  color = "red",
+                  angle = 90,
+                  hjust = 0,
+                  box.padding = 0.1,
+                  segment.color = NA,
+                  direction = "x") +
   geom_rug(sides = "b", length = unit(0.02, "npc"), color = "red")
 
 ## ---- eval=eval_ggrepel-------------------------------------------------------

vignettes/grammar-extensions.Rmd

@@ -1358,15 +1358,17 @@ We here the pass a vector of length one as argument for `y`, but `x` and `y`
 also accept vectors of the same length as rows has `data`. In other words, it
 allows manual positioning of text and labels. 
 
-```{r}
+```{r, eval=eval_ggrepel}
 ggplot(df, aes(x, y, label = l)) +
   geom_point(color = "red", size = 3) +
-  geom_text(position = position_nudge_to(y = -2.5), 
-            size = 3,
-            color = "red",
-            angle = 90,
-            hjust = 0,
-            check_overlap = TRUE) +
+  geom_text_repel(position = position_nudge_to(y = -2.5), 
+                  size = 3,
+                  color = "red",
+                  angle = 90,
+                  hjust = 0,
+                  box.padding = 0.1,
+                  segment.color = NA,
+                  direction = "x") +
   geom_rug(sides = "b", length = unit(0.02, "npc"), color = "red")
 ```