stick to ASCII

git-svn-id: https://svn.r-project.org/R/trunk@88227 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: smeyer

doc/AUTHORS

@@ -1,6 +1,6 @@
 Authors of R.
 
-R was initially written by Robert Gentleman and Ross Ihaka—also known as "R & R"
+R was initially written by Robert Gentleman and Ross Ihaka, also known as "R & R"
 of the Statistics Department of the University of Auckland.
 
 Since mid-1997 there has been a core group with write access to the R