Backport 1.4 documenting the impending deprecation of xreadlines.

diff --git a/Doc/lib/libxreadlines.tex b/Doc/lib/libxreadlines.tex
index dda56e7f2fdef61fac23988068350fe71f4a630b..f2fbe24c92f4b0e5255740d115025e98c27bb2c4 100644 (file)
--- a/Doc/lib/libxreadlines.tex
+++ b/Doc/lib/libxreadlines.tex
@@ -6,6 +6,7 @@
 
 \versionadded{2.1}
 
+\deprecated{2.3}{Use \code{for line in file} instead.}
 
 This module defines a new object type which can efficiently iterate
 over the lines of a file.  An xreadlines object is a sequence type