mport "cosheet.typ": cosheet
#show: doc => cosheet(
  doc
)
= 去除各种空格
```java
public String trim(String str) {
    // "\u0020" 半角空格, office空格, 全角空格
    return str.trim().replace("\u00a0", "").replace("\u3000", "");
} 
```
== simple trim
`str.trim()`

== test font
`true == 1`
