underleftrightarrow decoration none amsmath
underline decoration none
underrightarrow decoration none amsmath
-#Do not load automatically, since it might conflict with user macros and we
-#don't have a possibility to turn automatic loading off like for ams
-#utilde decoration none undertilde
-utilde decoration none
+#Do not load automatically, it redefines some other symbols, and we don't
+#have a possibility to turn automatic loading off like for ams
+#undertilde decoration none accents
+undertilde decoration none
+utilde decoration none undertilde
vec decoration none
widehat decoration none
widetilde decoration none
; space none
thickspace space none
enskip space none
+enspace space none
quad space none
qquad space none
+hfill space none
+hspace* space none
hspace space none
# styles