// trailing UTF-8-encoded code points contained in cutset.
func Trim(s []byte, cutset string) []byte {
	if len(s) == 0 {
		// This is what we've historically done.
		return nil
	}
	if cutset == "" {
		return s
	}
	if len(cutset) == 1 && cutset[0] < utf8.RuneSelf {
		return trimLeftByte(trimRightByte(s, cutset[0]), cutset[0])
	}
	if as, ok := makeASCIISet(cutset); ok {

Ashutosh Hathidara, autoih, Ayushman Kumar, ayushmankumar7, Bairen Yi, Bas
Aarts, Bastian Eichenberger, Ben Barsdell, bhack, Bharat Raghunathan, Biagio
Montaruli, Bigcat-Himax, blueyi, Bryan Cutler, Byambaa, Carlos
Hernandez-Vaquero, Chen Lei, Chris Knorowski, Christian Clauss, chuanqiw,
CuiYifeng, Daniel Situnayake, Daria Zhuravleva, Dayananda-V, Deven Desai, Devi

* 📝 Fix typos in virtual environments documentation. PR [#13396](https://github.com/fastapi/fastapi/pull/13396) by [@bullet-ant](https://github.com/bullet-ant).
* 🐛 Fix issue with Swagger theme change example in the official tutorial. PR [#13289](https://github.com/fastapi/fastapi/pull/13289) by [@Zerohertz](https://github.com/Zerohertz).