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WEBVTT


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Introduction

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Overlays and what they can do

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Simple overlay example - creating an overlay

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Adding properties

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Deleting an overlay

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Setting fonts the right way

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More properties

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Visibility

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Adding text

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Custom properties

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Notes on properties

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Improving C++ compiler output

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The problem with C++ error messages

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Many standard class templates have defalut arguments

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Some types are aliases for longer things, too

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Reporting type information accurately means long lines

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Emacs can help - Treat C++ type names as just another kind of balanced expression

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Add overlays to improve readability

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Create a minor mode that runs during compilation

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Parsing types as balanced expressions

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Indent and fill with overlays - Use ancient "pretty printing" algorithms"

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Overlays can mimic line breaks and indentation

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Hiding details - Marking depths with overlays

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Hiding to a target depth

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Demo

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Conclusion