Remove old 'Mozilla Parser API' terminology

Closes #1258

acorn-loose/src/index.js

@@ -5,7 +5,7 @@
 // parse anything as JavaScript, repairing syntax error the best it
 // can. There are circumstances in which it will raise an error and
 // give up, but they are very rare. The resulting AST will be a mostly
-// valid JavaScript AST (as per the [Mozilla parser API][api], except
+// valid JavaScript AST (as per the [ESTree spec][estree], except
 // that:
 //
 // - Return outside functions is allowed
@@ -16,7 +16,7 @@
 // - Bogus Identifier nodes with a name of `"✖"` are inserted whenever
 //   the parser got too confused to return anything meaningful.
 //
-// [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
+// [estree]: https://github.com/estree/estree
 //
 // The expected use for this is to *first* try `acorn.parse`, and only
 // if that fails switch to the loose parser. The loose parser might

acorn-walk/src/index.js

@@ -1,4 +1,4 @@
-// AST walker module for Mozilla Parser API compatible trees
+// AST walker module for ESTree compatible trees
 
 // A simple walk is one where you simply specify callbacks to be
 // called on specific nodes. The last two arguments are optional. A
@@ -8,7 +8,7 @@
 //         Expression: function(node) { ... }
 //     });
 //
-// to do something with all expressions. All Parser API node types
+// to do something with all expressions. All ESTree node types
 // can be used to identify node types, as well as Expression and
 // Statement, which denote categories of nodes.
 //

acorn/src/index.js

@@ -76,11 +76,10 @@ Parser.acorn = {
 }
 
 // The main exported interface (under `self.acorn` when in the
-// browser) is a `parse` function that takes a code string and
-// returns an abstract syntax tree as specified by [Mozilla parser
-// API][api].
+// browser) is a `parse` function that takes a code string and returns
+// an abstract syntax tree as specified by the [ESTree spec][estree].
 //
-// [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API
+// [estree]: https://github.com/estree/estree
 
 export function parse(input, options) {
   return Parser.parse(input, options)