From f8b00a21434d34f16d7ad6cbc637a0c684dee9a4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ma=C3=ABlle=20Salmon?= <maelle.salmon@yahoo.se>
Date: Thu, 20 Jul 2023 16:50:09 +0200
Subject: [PATCH] fix: true is valid

---
 R/utils-str.R | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/R/utils-str.R b/R/utils-str.R
index bc7d1517..904d2eba 100644
--- a/R/utils-str.R
+++ b/R/utils-str.R
@@ -118,7 +118,7 @@ interpret_svo = function(string){
 #' @noRd
 is_svo_correct = function(string){
   # if element is a special syntax element
-  if (string %in% c(".","a","is","==","%in%","[]")) return(TRUE)
+  if (string %in% c(".","a","is","==","%in%","[]", "true", "false")) return(TRUE)
 
   # if element is a variable
   if (is_variable(string)) return(TRUE)