▼ |  | Dr Racket Plugins

1 | Dr Racket support for #lang-based Languages
2 | Implementing Dr Racket Plugins
3 | Adding Languages to Dr Racket
4 | Creating New Kinds of Dr Racket Frames
5 | Extending the Existing Dr Racket Classes
6 | Expanding the User’s Program Text and Breaking
7 | Editor Modes
8 | Plugin Capabilities
9 | Check Syntax
10 | Cooperating with Background Check Syntax
11 | Teaching Languages
12 | Signatures
13 | drracket: get/ extend
14 | drracket: unit
15 | drracket: language
16 | drracket: language-configuration
17 | drracket: debug
18 | drracket: rep
19 | drracket: frame
20 | drracket: help-desk
21 | drracket: eval
22 | drracket: modes
23 | drracket: module-language-tools
24 | drracket: module-language
25 | drracket: tracing
26 | drracket: init
27 | Backwards Compatibility
| Index

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drracket: init: original-error-display-handler

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### 26`` drracket:init

> > procedure

> > (drracket:init:original-error-display-handler |  | message |  |  |  |
> > |  | exn) |  | → |  | any

> message : string?
> exn : any/c

This is the error-display-handler installed at the time that DrRacket starts up.

DrRacket sets the error-display-handler to one that shows an “Internal Error” dialog box.

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