nsis installer files: strings continuation with backslash

[Akuli]

The whole string should be highlighted with the same color.

[noname4X4]

where i can find the lexer for nsis? i see there is example for nsis but no nsis.py

[Anteru]

https://github.com/pygments/pygments/blob/f64833d9d0443ff2443f8f8a4357c00196734d6c/pygments/lexers/installers.py#L21