Add version info for name2codepoint and codepoint2name

diff --git a/Doc/lib/libhtmllib.tex b/Doc/lib/libhtmllib.tex
index 3993222eeaaee3d13149d1898dcf03f35be84b9e..6ec17bde16217af78b1af7762afd67b27b53ce63 100644 (file)
--- a/Doc/lib/libhtmllib.tex
+++ b/Doc/lib/libhtmllib.tex
@@ -162,10 +162,10 @@ character set (ISO-8859-1).
 
 \begin{datadesc}{name2codepoint}
   A dictionary that maps HTML entity names to the Unicode codepoints.
+  \versionadded{2.3}
 \end{datadesc}
 
 \begin{datadesc}{codepoint2name}
   A dictionary that maps Unicode codepoints to HTML entity names.
+  \versionadded{2.3}
 \end{datadesc}
-
-