Changes

update decisions after meeting with Walter
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* Code in named stacks will be put into functions with the same name. Blocks appended to the 'start' block will be put into a function called <code>start()</code>. Unnamed stacks will also be put into extra functions with auto-generated names (e.g., <code>unnamed_stack_1()</code>).
 
* Code in named stacks will be put into functions with the same name. Blocks appended to the 'start' block will be put into a function called <code>start()</code>. Unnamed stacks will also be put into extra functions with auto-generated names (e.g., <code>unnamed_stack_1()</code>).
 
* Run only the block stack that has a 'start' block at the top. If there is no 'start' block, notify the user, but don't execute unnamed stacks. (TA itself should show the same behavior.)
 
* Run only the block stack that has a 'start' block at the top. If there is no 'start' block, notify the user, but don't execute unnamed stacks. (TA itself should show the same behavior.)
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* Assume the generated code will be run in GNOME, but keep the <code>running_sugar</code> flag, so it can be ported to Sugar later.
    
=== Pending ===
 
=== Pending ===
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* Enable the user to control the speed of execution (e.g., by setting a global <code>step_time</code>)? ''deferred on 2013-06-14''
 
* Enable the user to control the speed of execution (e.g., by setting a global <code>step_time</code>)? ''deferred on 2013-06-14''
 
** How to implement this? E.g., call a <code>wait(step_time)</code> function in between two steps?
 
** How to implement this? E.g., call a <code>wait(step_time)</code> function in between two steps?
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* How to automatically determine the path to the TA installation (e.g., for finding the plugins)? ''deferred on 2013-06-14''
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** Either: check a list of standard paths.
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** Or: expect it to be in the <code>PYTHONPATH</code>.
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** Explain to the user what's wrong when the TA installation wasn't found.
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* Should the status bar be shown when the exported code is run?
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