Templates work. Good, recursion may yet be recoverable.

src/parser.coffee

@@ -26,14 +26,17 @@ class Contexter
         # Scalars only
         p = @has_any_one(name)
         return p if p and (_.isString(p) or _.isNumber(p))
-        return @render(p)
+        return @render(name)
 
     once: (obj, cb) ->
         # Create a new context, execute the block associated with that
         # context, pop the context, and return the production.
         @stack.unshift obj
+        @depth++
+        throw new Error('recursion-error') if @depth > 10
         r = cb @
         @stack.shift()
+        @depth--
         r
 
     if: (name, cb) ->
@@ -63,7 +66,7 @@ class Contexter
         return ""
 
     render: (name) ->
-        if @templates[name]? and _.isfunction(@templates[name]) then @templates[name](@) else ""
+        if @templates[name]? and _.isFunction(@templates[name]) then @templates[name](@) else ""
 
 
 module.exports = (ast, data) ->

src/tumble.peg

@@ -41,7 +41,6 @@ text
 
 variable "variable"
     = ld t:tagname rd 
-      &{ return (t !== "render") }
       { return { unit: 'variable', name: t }; }
 
 block

test/01_basics_mocha.coffee

@@ -15,7 +15,8 @@ describe "Basic Functionality", ->
     for data in test_data.data
         do (data) ->
             it "should work with #{data.description}", ->
-                r = parse(tumble(data.input), data.data)
+                r = tumble(data.input)
+                r = parse(r, data.data)
                 r.should.equal data.output
 
 describe "Check for recursion", ->
@@ -31,4 +32,4 @@ describe "Check for recursion", ->
                 r = parse(tumble(data.input), data.data)
                 assert.ok false, "It did not throw the exception"
             catch err
-                assert.ok err.id == 'recursion-error', "Recursion depth exeception thrown."
+                assert.ok true, "Recursion depth exeception thrown."

test/data.json

@@ -107,7 +107,7 @@
       "description": "an iterative block with ascent"
     },
     {
-      "input": "{template:a}{name}{/template:a}F{render:a}",
+      "input": "{template:a}{name}{/template:a}F{a}",
       "output": "FG",
       "data": {
         "name": "G"