fix error/warning when using xindy

mykelk · web-flow · commit 9bfae987a50f · 2020-01-26T12:41:58.000-08:00
diff --git a/cms.xdy b/cms.xdy
@@ -1,7 +1,6 @@
 (sort-rule " " "")
 (sort-rule "-" "")
 
-(define-crossref-class "see")
 (markup-crossref-list :class "see" :open "\see{" :sep "; " :close "}{}")
 
 (markup-crossref-layer-list :sep ", ")
