diff --git a/README.md b/README.md
index 849d066..ef76ded 100644
--- a/README.md
+++ b/README.md
@@ -87,6 +87,12 @@ get vim-dev plugin which has function completion
 
 Thus for conditions (while, if ..) and block bodies just use ${N} - Thanks
 
+Open questions:
+What about one line if ee then .. else .. vs if \n .. then \n ... \n else \n .. ?
+What about wh(ile), which trigger?
+Discuss at: https://github.com/honza/vim-snippets/issues/230
+
+
 Related repositories
 ====================
 We also encourage people to maintain sets of snippets for particular use cases
diff --git a/snippets/ruby.snippets b/snippets/ruby.snippets
index 9813c8e..7744857 100644
--- a/snippets/ruby.snippets
+++ b/snippets/ruby.snippets
@@ -164,6 +164,8 @@ snippet atp
 	attr_protected :${1:attr_names}
 snippet ata
 	attr_accessible :${1:attr_names}
+
+# ivc == instance variable cache
 snippet ivc
 	@${1:variable_name} ||= ${2:chached_value}
 # include Enumerable
diff --git a/snippets/vim.snippets b/snippets/vim.snippets
index 98cb51e..a92cd13 100644
--- a/snippets/vim.snippets
+++ b/snippets/vim.snippets
@@ -23,9 +23,9 @@ snippet for
 		${3}
 	endfor
 snippet forkv
-	for [a,b] in items({2})
-		${3}
-            unlet a b
+	for [${1},${2}] in items(${3})
+		${4}
+            unlet $1 $2
 	endfor
 
 snippet wh