always use withAutoprint

NEWS.md

@@ -7,6 +7,9 @@
   titles](https://roxygen2.r-lib.org/articles/index-crossref.html) now support
   Markdown syntax (#1608, @salim-b).
 
+* `@examplesIf` always uses `withAutoprint()` (@MichaelChirico, #1581). The raw Rd
+  will be cleaner, but such examples will now only run under R>=3.4.0 (2017).
+
 # roxygen2 7.3.2
 
 * `@includeRmd` now additionally sets `options(cli.hyperlink = FALSE)` to make

R/rd-examples.R

@@ -14,15 +14,11 @@ roxy_tag_parse.roxy_tag_examplesIf <- function(x) {
     }
   )
 
-  dontshow <- paste0(
-    "\\dontshow{if (",
-    condition,
-    ") (if (getRversion() >= \"3.4\") withAutoprint else force)(\\{ # examplesIf}"
-  )
-
   x$raw <- paste(
-    c(dontshow, lines[-1], "\\dontshow{\\}) # examplesIf}"),
-    collapse = "\n"
+    paste0("\\dontshow{if (", condition, ") withAutoprint(\\{ # examplesIf}"),
+    lines[-1],
+    "\\dontshow{\\}) # examplesIf}",
+    sep = "\n"
   )
 
   tag_examples(x)

tests/testthat/_snaps/rd-examples.md

@@ -24,10 +24,10 @@
 # @examplesIf
 
     \examples{
-    \dontshow{if (foo::bar()) (if (getRversion() >= "3.4") withAutoprint else force)(\{ # examplesIf}
+    \dontshow{if (foo::bar()) withAutoprint(\{ # examplesIf}
     maybe-run-this-code
     \dontshow{\}) # examplesIf}
-    \dontshow{if (foobar()) (if (getRversion() >= "3.4") withAutoprint else force)(\{ # examplesIf}
+    \dontshow{if (foobar()) withAutoprint(\{ # examplesIf}
     and-this
     \dontshow{\}) # examplesIf}
     }