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<!-- Automatically generated by emacsconf-publish-after-page -->
<div class="transcript transcript-mainVideo"><a name="modern-mainVideo-transcript"></a><h1>Transcript (unedited)</h1>
[[!template text="""""" start="00:00:54.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""Hi! My name is Eduardo Ochs. I'm the""" start="00:00:55.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""author of an Emacs package called eev and""" start="00:00:57.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""the title of this video is""" start="00:01:00.000" video="mainVideo-modern" id="subtitle"]]
[[!template text=""""Some problems of modernizing Emacs".""" start="00:01:03.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""Here is a summary of the main themes""" start="00:01:05.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""of this video. I'm going to talk mainly""" start="00:01:08.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""about these four things here. The first""" start="00:01:10.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""one is that Emacs has changed a lot in its""" start="00:01:12.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""recent versions, and now it has lots of""" start="00:01:15.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""types... so if we want to look under the""" start="00:01:18.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""hood and to understand what Emacs""" start="00:01:21.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""really does we are going to stumble on""" start="00:01:24.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""lots of types... and the""" start="00:01:27.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""current tree of classes and types""" start="00:01:30.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""looks like this... that is,""" start="00:01:34.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""is quite big.""" start="00:01:37.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""The second theme is that people used""" start="00:01:46.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""to say things like "Anyone can learn Lisp""" start="00:01:49.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""in one day"... I'm going to explain""" start="00:01:53.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""this quote, and I'm also going to show""" start="00:01:56.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""that now this is gone... anyway. This is a""" start="00:02:01.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""very short summary... details soon.""" start="00:02:04.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""I will also show how to display""" start="00:02:08.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""better "inner views" of Emacs objects...""" start="00:02:10.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""I'm going to Define what is an inner view,""" start="00:02:13.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""of course.""" start="00:02:16.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""The main trick is that we are going""" start="00:02:18.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""to use one of the ways of displaying""" start="00:02:20.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""internal objects, that is the `cl-print'""" start="00:02:24.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""family of functions, for example,""" start="00:02:29.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""`cl-prin1-to-string', and here are some""" start="00:02:32.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""examples of the kind of output that we""" start="00:02:35.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""are going to see...""" start="00:02:37.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""for example, if we run these two lines""" start="00:02:38.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""here the first line defines a function `foo'""" start="00:02:44.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and the second line sets `o' to the""" start="00:02:47.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""internal view of the definition of `foo'.""" start="00:02:52.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""In older Emacses `o' would be just a""" start="00:02:54.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""list that looks... that would look very""" start="00:02:59.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""similar to this line here... but in newer""" start="00:03:02.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""Emacses the result of this - I mean, the""" start="00:03:05.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""the contents of `o' is this thing here,""" start="00:03:09.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""that looks quite different""" start="00:03:12.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""from this definition.""" start="00:03:15.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""So, in older Emacses""" start="00:03:18.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""the contents of the""" start="00:03:21.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""function cell of `o'...""" start="00:03:25.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""sorry, of the function cell of `foo',""" start="00:03:28.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""would be an "old-style lambda",""" start="00:03:30.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""that would be just a list like this...""" start="00:03:32.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and in newer Emacses uh the contents of O would""" start="00:03:35.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""be a "vector-like lambda"... look for the""" start="00:03:39.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""square brackets here - this is a""" start="00:03:42.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""vector, but it is preceded by a hash sign.""" start="00:03:44.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""So this is what we call""" start="00:03:47.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""a "vector-like lambda",""" start="00:03:49.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and vector-like lambas do not""" start="00:03:51.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""have a canonical printed representation -""" start="00:03:53.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""they have at least two semicanonical""" start="00:03:55.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""printed representations...""" start="00:03:57.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""The first semicanonical""" start="00:03:59.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""printed representation is this one, that is""" start="00:04:01.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""generated by a family of functions with""" start="00:04:04.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""names like `prin1'...""" start="00:04:07.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and the second semicanonical printed""" start="00:04:09.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""representation is like this -""" start="00:04:13.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""it looks like a list...""" start="00:04:17.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""it looks somewhat like this definition""" start="00:04:20.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""of `foo' here, but it has this""" start="00:04:23.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""`:dynbind' symbol here...""" start="00:04:27.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and it turns out that when we use""" start="00:04:29.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""the `cl-print' family of functions we can""" start="00:04:32.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""reconfigure how things are printed...""" start="00:04:35.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and I'm going to show several interesting""" start="00:04:37.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""ways of reconfiguring how lambdas are printed,""" start="00:04:40.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and one of the ways is going to""" start="00:04:47.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""be like this.""" start="00:04:49.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""We can also use the `cl-print'""" start="00:04:52.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""functions with my indentation tricks to""" start="00:04:56.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""to display how types, or classes, are""" start="00:04:59.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""viewed internally by Emacs, and this is a""" start="00:05:04.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""big example...""" start="00:05:07.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""This is what Emacs considers as being""" start="00:05:10.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""the definition of the type""" start="00:05:14.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""`cl-structure-class',""" start="00:05:16.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""class and it is this big thing here.""" start="00:05:18.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""I edited it very lightly...""" start="00:05:21.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""I just uh deleted some line breaks here.""" start="00:05:24.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""And another thing that I want to to""" start="00:05:30.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""explain is that Emacs""" start="00:05:33.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""has some help functions that""" start="00:05:35.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""I have never liked...""" start="00:05:37.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""for most people they are good enough,""" start="00:05:39.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""but for me they aren't... they...""" start="00:05:41.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""uh, well - I'm going to say""" start="00:05:44.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""more about this later...""" start="00:05:48.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and, for example,""" start="00:05:50.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""if we want a description of what is""" start="00:05:52.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""this type here, that we just saw in""" start="00:05:54.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""its internal view here...""" start="00:05:58.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""we can run either `describe-type'""" start="00:06:00.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""or my variant of `describe-type',""" start="00:06:02.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and we get a help buffer""" start="00:06:04.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""that looks like this, in which""" start="00:06:07.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""these blue things that are underlined""" start="00:06:10.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""are "buttons", in the classical sense...""" start="00:06:13.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""you can click on these buttons, or type""" start="00:06:15.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""RET on these buttons, and you will be""" start="00:06:17.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""taken to another help page, that is""" start="00:06:19.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""generated dynamically...""" start="00:06:22.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and you can navigate back and forth...""" start="00:06:24.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and well, whatever...""" start="00:06:28.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and I'm going to explain my""" start="00:06:30.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""problems with these kinds of help buffers""" start="00:06:33.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and what I'm trying to do to""" start="00:06:35.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""overcome these problems...""" start="00:06:37.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""One of my slogans in this video""" start="00:06:41.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""is going to be this one:""" start="00:06:43.000" video="mainVideo-modern" id="subtitle"]]
[[!template text=""""Anyone can learn Lisp in one day".""" start="00:06:43.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""this is a part of a bigger quote""" start="00:06:45.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""that I took from a keynote presentation""" start="00:06:49.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""by Abelson and Sussman, who""" start="00:06:51.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""are two dinosaurs of Computer Science...""" start="00:06:54.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""Here is the full quote:""" start="00:06:58.000" video="mainVideo-modern" id="subtitle"]]
[[!template text=""""Anyone can learn Lisp in one day -""" start="00:07:00.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""except that if they already know Fortran""" start="00:07:04.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""then it would take three days."""" start="00:07:06.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""This is a frame of the video...""" start="00:07:11.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""By the way I am going to to add""" start="00:07:24.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""this... "and if the person is starting""" start="00:07:28.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""with Doom Emacs then it would take 5 years."""" start="00:07:32.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""why? I'm going to explain why.""" start="00:07:34.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""This is how Emacs used to be.""" start="00:07:39.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""If we execute these two expressions here""" start="00:07:43.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""the first one... sorry, each symbol can""" start="00:07:46.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""have two "values",""" start="00:07:51.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""one is its "value as a variable"""" start="00:07:53.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and another one is its "value as a function"...""" start="00:07:54.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and if we run this we store 42""" start="00:07:58.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""in the "value cell" of the symbol `foo', and""" start="00:08:02.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""if we run this defun here it stores a""" start="00:08:07.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""certain anonymous function in the""" start="00:08:11.000" video="mainVideo-modern" id="subtitle"]]
[[!template text=""""function cell" of the symbol `foo'...""" start="00:08:14.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and in Emacs, until some time ago""" start="00:08:18.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""if we did that and and if we ran""" start="00:08:22.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""this expression here the result""" start="00:08:27.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""would be 42,""" start="00:08:30.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""because of this line here, and if we""" start="00:08:31.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""ran this line here the result would be""" start="00:08:35.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""the anonymous function corresponding to""" start="00:08:37.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""this defun here...""" start="00:08:40.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""but now this has changed...""" start="00:08:41.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""the result of this thing here is this""" start="00:08:45.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""vector-like lambda here - but that doesn't""" start="00:08:48.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""matter much now...""" start="00:08:51.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""So, until some time ago""" start="00:08:54.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""if we did that and if we ran""" start="00:08:56.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""this expression here, (foo foo)...""" start="00:08:58.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""Emacs would do this: it would""" start="00:09:01.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""replace the first `foo' by this""" start="00:09:04.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""anonymous function here, it would replace""" start="00:09:06.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""the second `foo' by the value of `foo' as a""" start="00:09:09.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""variable, that is 42,""" start="00:09:11.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and it would evaluate this, and the""" start="00:09:13.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""result would be 420.""" start="00:09:16.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""So, again, we used to have this slogan""" start="00:09:20.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""here, "anyone can learn Lisp in one day"...""" start="00:09:23.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""but now this is gone.""" start="00:09:26.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""Let me show... let me talk""" start="00:09:28.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""a bit more about why...""" start="00:09:30.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""the title of this slide is""" start="00:09:34.000" video="mainVideo-modern" id="subtitle"]]
[[!template text=""""Lambdas for beginners broken"...""" start="00:09:36.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""if we run this, as I've shown""" start="00:09:38.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""in the previous slide...""" start="00:09:41.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""in the old style, in old Emacses,""" start="00:09:43.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""the result of (symbol-function 'foo)""" start="00:09:45.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""would be this anonymous function here...""" start="00:09:47.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and now we get this strange thing here.""" start="00:09:49.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""So, this is an "old-style lambda",""" start="00:09:54.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""this is a "vector-like lambda",""" start="00:09:58.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and until the middle of 2024""" start="00:10:02.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""beginners could learn a lot of Lisp""" start="00:10:05.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""by thinking only in terms of""" start="00:10:08.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""objects like these...""" start="00:10:11.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""this is a function and this""" start="00:10:13.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""is an anonymous function, and""" start="00:10:15.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""they would learn how to draw cons cell""" start="00:10:17.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""diagrams like this thing here and this""" start="00:10:20.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""thing here...""" start="00:10:23.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""they would think on lists as""" start="00:10:25.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""being these trees here, and they""" start="00:10:27.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""would be able to understand a lot of""" start="00:10:29.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""Lisp just by thinking in these terms...""" start="00:10:32.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and then vector-like lambdas started""" start="00:10:35.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""to appear in many places... and if we use""" start="00:10:39.000" video="mainVideo-modern" id="subtitle"]]
[[!template text=""""vector-like lambdas" in a wide sense,""" start="00:10:43.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""to mean all the new objects,""" start="00:10:46.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""these new objects, that are""" start="00:10:50.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""difficult to visualize... they also started""" start="00:10:54.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""to appear in many places.""" start="00:10:56.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""This is a continuation of the""" start="00:10:58.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""previous slide - this part here is a copy""" start="00:11:01.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""of things that were in the previous slide...""" start="00:11:04.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""before 2024 beginners could""" start="00:11:06.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""open black boxes like this...""" start="00:11:12.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""they could try to see what was in the""" start="00:11:17.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""function cell of the symbol `foo'...""" start="00:11:20.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and they would see something elegant and""" start="00:11:24.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""mind-blowing... and they would start to love""" start="00:11:27.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""Lisp immediately.""" start="00:11:29.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""Now what they get - what they see -""" start="00:11:31.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""is a tiny part of a very complex structure""" start="00:11:33.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""that is very powerful but that is""" start="00:11:35.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""very difficult to understand...""" start="00:11:39.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and now our beginners are overwhelmed""" start="00:11:41.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""instead of mind-blown.""" start="00:11:44.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""Note that I said "black box" here.""" start="00:11:46.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""Let me explain the term.""" start="00:11:48.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""We can open what's inside of `foo'...""" start="00:11:52.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""we can open `foo' to see the contents of""" start="00:11:57.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""the symbol `foo', and we can try to see""" start="00:11:59.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""what's in the function cell of the""" start="00:12:02.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""symbol `foo'...""" start="00:12:06.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""so we can open the box, but what we get""" start="00:12:08.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""is something very difficult to understand,""" start="00:12:10.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and so I'm going to say that""" start="00:12:13.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""when this happens that box is black.""" start="00:12:17.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""It is not totally black - we can open open it -""" start="00:12:21.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""but we don't understand what is going on there,""" start="00:12:23.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""so we declare that that is black.""" start="00:12:26.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""And... when these things started to happen""" start="00:12:30.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""_I_ was overwhelmed -""" start="00:12:33.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""and in this video I'm going to pretend""" start="00:12:38.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""that I was not the only person""" start="00:12:40.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""that was overwhelmed""" start="00:12:44.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""by these new structures""" start="00:12:46.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""that are not so elegant""" start="00:12:50.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""as the ones that we had before.""" start="00:12:52.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""Anyway...""" start="00:12:54.000" video="mainVideo-modern" id="subtitle"]]
[[!template text="""""" start="00:12:56.000" video="mainVideo-modern" id="subtitle"]]
</div>Questions or comments? Please e-mail [eduardoochs@gmail.com](mailto:eduardoochs@gmail.com?subject=Comment%20for%20EmacsConf%202023%20modern%3A%20Some%20problems%20of%20modernizing%20Emacs)
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