Fix bug #7552: Use of expression() in plot R command fails

This is dur to the use of the null device, which causes problems. Note that, as a consequence, a Rplots.pdf file is created in the document directory.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@38896 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/lib/scripts/lyxsweave.R b/lib/scripts/lyxsweave.R
index 32979c22af5ef4aa5f893d11b018575131405f53..bdc3d500d21b862d9863a59e5b51d95aaf914518 100644 (file)
--- a/lib/scripts/lyxsweave.R
+++ b/lib/scripts/lyxsweave.R
@@ -32,10 +32,6 @@ setwd(ls.args[4])
 # this is passed as a prefix.string to tell where temporary files should go
 ls.pr <- gsub('\\.([^/]*)$', '-\\1', sub("\\.tex$", "", ls.args[2]))
 
-# Replace the default pdf device by the null device (tip from Yihui Xie)
-# See: http://yihui.name/en/2010/12/a-special-graphics-device-in-r-the-null-device/ 
-.Call("R_GD_nullDevice", PACKAGE = "grDevices")
-
 
 # finally run sweave
 Sweave(file=ls.args[1], output=ls.args[2], syntax="SweaveSyntaxNoweb", stylepath=ls.sp, prefix.string=ls.pr)