09:26 <beneroth> brb

09:31 <Regenaxer> ! :)

11:57 <sriram_> In the constructor for undo button (form.l), I see (=: home undo This)

11:58 <sriram_> the doc for =: says the symbol whose home->undo property will be set is This

11:59 <sriram_> so it is a bit confusing. I know that one of the objects is the form and one is the undo button, but am not sure what 'This' and =: refer to

12:00 <sriram_> the button is created inside the form, but still...a bit puzzled

12:02 <sriram_> i guess this has to do with lexical and dynamic scope?

13:44 <Regenaxer> Hi sriram_!

13:58 <sriram_> Hi Alex

13:58 <sriram_> Good afternoon...

13:59 <sriram_> still exploring pdfPage...some questions came to mind reading the code..I posted one above

14:52 <Regenaxer> Sorry, just dropped in and must leave again

14:53 <Regenaxer> The code snippets in buttons (and other gui components) are always execkuted at some later point (eg. when the button is pressed, or enabled/disabled) in the dynamic context of that component

14:53 <Regenaxer> ie. 'This'

14:57 <sriram_> yes that is what I thought...In (=: home undo This), This is the Form

14:57 <sriram_> but then what does =: refer to, or is it a kind of circular ref i.e This-> home -> undo = This?

15:14 <sriram_> oh maybe This is the button rather than the form...still the question remains if This is bound to the button (gui component) then wouldnt

15:15 <sriram_> =: also use the same value when it sets This->home->undo