path, t2l = checkProg('a LaTeX/Noweb -> LyX converter', [in_binary_subdir, in_binary_subdir + version_suffix, in_binary_dir, in_binary_dir + version_suffix, 'tex2lyx' + version_suffix, 'tex2lyx'],
rc_entry = [r'''\converter latex lyx "%% -f $$i $$o" ""
\converter latexclipboard lyx "%% -fixedenc utf8 -f $$i $$o" ""
-\converter literate lyx "%% -n -m noweb -f $$i $$o" ""'''], not_found = 'tex2lyx')
+\converter literate lyx "%% -n -m noweb -f $$i $$o" ""
+\converter sweave lyx "%% -n -m sweave -f $$i $$o" ""
+\converter knitr lyx "%% -n -m knitr -f $$i $$o" ""'''], not_found = 'tex2lyx')
if path == '':
logger.warning("Failed to find tex2lyx on your system.")