Idempotency problem when exception definition used in signature file

[dsyme]

Issue created from fantomas-online

Formatted code

module internal FSharp.Compiler.ParseHelpers

open FSharp.Compiler.AbstractIL.IL


/// The error raised by the parse_error_rich function, which is called by the parser engine
[<NoEquality; NoComparison>]
exception SyntaxError of obj * range: range

Reformatted code

module internal FSharp.Compiler.ParseHelpers

open FSharp.Compiler.AbstractIL.IL



/// The error raised by the parse_error_rich function, which is called by the parser engine
[<NoEquality; NoComparison>]
exception SyntaxError of obj * range: range

Problem description

Fantomas was not able to produce the same code after reformatting the result.

Extra information

• The formatted result breaks by code.
• The formatted result gives compiler warnings.
• I or my company would be willing to help fix this.

Options

Fantomas 4.6 branch at 11/19/2021 20:14:05 - 720227d

Default Fantomas configuration

Signature file

_{Did you know that you can ignore files when formatting from fantomas-tool or the FAKE targets by using a .fantomasignore file?}

[dsyme]

An extra line has been added

[nojaf]

Good catch, this looks like a Repeating newline bug.