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-# Blockly (Microsoft MakeCode fork)
-
-This is a fork of [Blockly](https://github.com/google/blockly/), an open source visual programming environment.
-The fork is maintained by the Microsoft MakeCode team, and is used to power the blocks environment in [PXT](https://github.com/Microsoft/pxt).
-
-
-Major additions and changes in this fork:
-* [scratch-blocks](https://github.com/llk/scratch-blocks) rendering of the blocks [block_render_svg.js](https://github.com/Microsoft/pxt-blockly/blob/develop/core/block_render_svg.js)
-* Using insertion markers instead of dragged connections [insertion_marker_manager.js](https://github.com/Microsoft/pxt-blockly/blob/develop/core/insertion_marker_manager.js)
-* Inverted and coloured toolbox modes [toolbox.js](https://github.com/Microsoft/pxt-blockly/blob/develop/core/toolbox.js#L428) 
-* Supports disabled categories [toolbox.js](https://github.com/Microsoft/pxt-blockly/blob/develop/core/toolbox.js#L360)
-* Supports icons in the toolbox
-* Adds a number slider field [field_slider.js](https://github.com/Microsoft/pxt-blockly/blob/develop/core/field_slider.js)
-* Zoom in / out with touch gestures [touch_gesture.js](https://github.com/Microsoft/pxt-blockly/blob/develop/core/touch_gesture.js)
-* Workspace comments that appear like sticky notes [workspace_comment.js](https://github.com/Microsoft/pxt-blockly/blob/develop/core/workspace_comment.js)
-* A number of Edge & IE fixes
-* Support underlining and icons in flyout labels [flyout_button.js](https://github.com/Microsoft/pxt-blockly/blob/develop/core/flyout_button.js#L203)
-* Support for multiple flyouts per toolbox for performance reasons [pxt_blockly_functions.js](https://github.com/Microsoft/pxt-blockly/blob/develop/core/pxt_blockly_functions.js#L650)
-
-## Prerequisites
-
-* node, npm
-* python
-
-## Development
-
-```
-git clone https://github.com/google/closure-library
-cd closure-library
-git checkout v20180805
-cd ../
-git clone https://github.com/Microsoft/pxt-blockly
-cd pxt-blockly
-npm install .
-```
-
-## Building
-
-* `gulp build` to build blockly (install ``gulp`` if needed ``npm install -g gulp``)
-
-## Update Blockly.d.ts
-
-* `gulp typings` to regenerate blockly.d.ts
-
-## Testing local changes in PXT
-
-* `gulp publish` from the ``develop`` branch to generate the blockly-compressed and blocks-compressed files, and copy them into the pxt-blockly node module folder
-* run `pxt clean && pxt serve` in the **target** directory (eg pxt-arcade, or pxt-minecraft)
-
-**Make sure you've checked out the correct closure-library (see above)**
-
-See [more tips about **pxt+pxt-blockly** testing](https://github.com/Microsoft/pxt/tree/master/scripts).
-
-## Updating pxt-blockly in PXT
-
-* `gulp bump` to bump blockly version, commit, and tag.
-
-* After the Travis has deployed the package to npm, update the pxt-blockly version in `package.json` in the pxt repo.
-
-## Playground
-
-There is a playground manual testing page at [tests/playground.html](./tests/playground.html), which requires no build step or server running.
-
-`open tests/playground.html`
-
-## License
-
-The original Google/Blockly is licensed under Apache License (Version 2.0).
-
-New code is licensed under MIT.