Fixed some diagnostics warnings

Moved examples to tofix because fixing them is besides the point right
now.

06/deps/lpeglabel/examples/listId1.lua

@@ -0,0 +1,33 @@
+local m = require'lpeglabel'
+local re = require'relabel'
+
+local id = m.R'az'^1
+
+local g = m.P{
+  "S",
+  S = m.V"Id" * m.V"List",
+  List = -m.P(1) + m.V"Comma" * m.V"Id" * m.V"List",
+  Id = m.V"Sp" * id + m.T(1),
+  Comma = m.V"Sp" * "," + m.T(2),
+  Sp = m.S" \n\t"^0,
+}
+
+function mymatch (g, s)
+  local r, e, sfail = g:match(s)
+  if not r then
+    local line, col = re.calcline(s, #s - #sfail)
+    local msg = "Error at line " .. line .. " (col " .. col .. ")"
+    if e == 1 then
+      return r, msg .. ": expecting an identifier before '" .. sfail .. "'"
+    elseif e == 2 then
+      return r, msg .. ": expecting ',' before '" .. sfail .. "'"
+    else
+      return r, msg
+    end
+  end
+  return r
+end
+  
+print(mymatch(g, "one,two"))
+print(mymatch(g, "one two"))
+print(mymatch(g, "one,\n two,\nthree,"))