\fixed

[Ethan Sue]

In the past, I mostly used Weblily and recently started using Frescobaldi.
When I used Weblily, I used \fixed. When I put those files into
Frescobaldi, it highlights the line in red where the \fixed is. It also
highlights lines in red where \new GrandStaff s are. All my older saved
files use \fixed, and a lot of them use GrandStaves. Is there a way to fix
this?