Update pydoc topics and suspicious markup file.
diff --git a/Doc/tools/sphinxext/susp-ignored.csv b/Doc/tools/sphinxext/susp-ignored.csv
index a31e7b1..7317ca2 100644
--- a/Doc/tools/sphinxext/susp-ignored.csv
+++ b/Doc/tools/sphinxext/susp-ignored.csv
@@ -262,6 +262,7 @@
library/stdtypes,,::,>>> hash(v[::-2]) == hash(b'abcefg'[::-2])
library/stdtypes,,:len,s[len(s):len(s)]
library/stdtypes,,::,>>> y = m[::2]
+library/stdtypes,,::,>>> z = y[::-2]
library/string,,:end,s[start:end]
library/subprocess,,`,"output=`dmesg | grep hda`"
library/subprocess,,`,"output=`mycmd myarg`"