for citation_package argument, none has been deprecated and we need to use default. (#389)

Author: cderv

NEWS.md

@@ -1,6 +1,8 @@
 rticles 0.20
 ---------------------------------------------------------------------
 
+- remove warning in `joss_article()` about `citation_package` (thanks, @llrs, #389).
+
 - fix an issue with `rjournal_article()` template to insert newline in author's block only if a field exist (thanks, @huizezhang-sherry, #387)
 
 rticles 0.19

R/joss_article.R

@@ -31,7 +31,7 @@ joss_article <- function(journal = "JOSS",
   pdf_document_format(
     "joss",
     latex_engine = latex_engine,
-    citation_package = "none",
+    citation_package = "default",
     keep_md = keep_md,
     pandoc_args = c(
       "-V", paste0("logo_path=", logo_path),