---
title: "error-prevention"
aliases: Error Prevention
tags: 
- info203
---

### 2.1 Bad input

![](https://i.imgur.com/54tVH7B.png)

correct human errors
auto completion

### 2.2 helpful constraints

![](https://i.imgur.com/n4HT5L9.png)

### 2.3 Suggestions and autocorrection

![](https://i.imgur.com/c2l9MWy.png)

heavily abused by industry
- they can influence suggestions

### 2.4 Forgiving formatting

![](https://i.imgur.com/ldZUMer.png)

- reduce errors
- 
