Handle correctly % value in width and height
related to #72
diff --git a/tests/manual/test-options-size.Rmd b/tests/manual/test-options-size.Rmd
new file mode 100644
index 0000000..89862d8
--- /dev/null
+++ b/tests/manual/test-options-size.Rmd
@@ -0,0 +1,20 @@
+---
+output:
+ revealjs::revealjs_presentation:
+ reveal_options:
+ width: "100%"
+ height: "100%"
+ margin: 0
+ minScale: 1
+ maxScale: 1
+---
+
+# Test
+
+Content very long
+
+```{r, echo = FALSE, results='asis'}
+cat(paste(lapply(replicate(100, sample(letters, sample.int(10, 1, TRUE), replace = TRUE)), paste0, collapse = ""), collapse = " "))
+```
+
+