# TreeQL documentation

## What is Treeql?

TreeQL is an elegant tree query language inspired by Cost.

There is a Tcl Wiki Page for discussion of this package.

Current stable implementation: Download

## API Documentation

TreeQL Interface
  User level TreeQL interface
CostQ Interface
  Cost-alike Query interface built over TreeQL
Low Level TreeQL API
  Tree transformers and filters
Tree API
  API required of an underlying tree
Internal TreeQL API

Last modified: Thu Sep 30 13:39:21 EST 2004