Add eventbuffer type

test/tests/eventbuffer text litteral.ans

@@ -0,0 +1,6 @@
+:a = t"Some text."
+:b = t"Tagged text" # 1
+
+a: {a}
+
+b: {b}

test/tests/eventbuffer text litteral.lua

@@ -0,0 +1,32 @@
+local _={}
+_[13]={1}
+_[12]={}
+_[11]={}
+_[10]={}
+_[9]={tags=_[13],text="Tagged text"}
+_[8]={tags=_[12],text="b: "}
+_[7]={tags=_[11],text="Some text."}
+_[6]={tags=_[10],text="a: "}
+_[5]={_[8],_[9]}
+_[4]={_[6],_[7]}
+_[3]={"return"}
+_[2]={"text",_[5]}
+_[1]={"text",_[4]}
+return {_[1],_[2],_[3]}
+--[[
+{ "text", { {
+      tags = {},
+      text = "a: "
+    }, {
+      tags = {},
+      text = "Some text."
+    } } }
+{ "text", { {
+      tags = {},
+      text = "b: "
+    }, {
+      tags = { 1 },
+      text = "Tagged text"
+    } } }
+{ "return" }
+]]--