Getting HTML5 going

William Prothero waprothero at
Wed Mar 25 19:34:23 EDT 2020

What I was thinking of was distributing a fairly basic educational application, then adding features and lessons as life goes on. Sounds like it would depend on how extensive the features were. Perhaps lessons would only trigger a problem if they required the addition of significant new features. Hmmm…..

William A. Prothero

> On Mar 25, 2020, at 2:23 PM, Mark Wieder via use-livecode <use-livecode at> wrote:
> On 3/25/20 1:58 PM, Mark Waddingham via use-livecode wrote:
>> However there are two rules which must be followed:
>>   1) Downloaded code must not allow the app to access any more system provided APIs that it could before.
>>   2) Downloaded code must not allow the app to 'morph' (as Richard put it) into something even slightly unrelated to what it was at the point of review; nor should it add significantly different features (particularly in terms of UI).
>> In practice conforming to (1) is easy - you aren't allowed to download LCB extensions, loading them at runtime, which use FFI to access system functions.
> My reading of 1) is that LCB extensions that use FFI are allowed as long as they don't expand the attack surface by introducing new system api calls that the app doesn't already use.
> But then I'm not in a position to make, review, or enforce those rules.
> -- 
> Mark Wieder
> ahsoftware at
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