Leading CR/LF is lost after Render()

[frederik256]

A string starting with a newline will lose the newline in the rendered template.

Repro:

string text = Environment.NewLine + "something invariant";
Template template = new Template(text, '«', '»');            
if (!text.Equals(template.Render())) throw new Exception("Text not invariant.");

This is using "Antlr4.StringTemplate" C# package from nuget, version=4.0.6.9004 (running on Windows)

[sharwell]

This behavior is certainly correct for a template defined using a .stg file:

SomeTemplate ::= <<
something invariant>>

I need to see if the elimination of the leading newline is part of a StringTemplate group preprocessing step (meaning this is a bug), or part of the template parsing step (meaning this is the expected behavior).

[sharwell]

📝 This does appear to be a bug. The elimination of the first/last newline should only apply to templates defined in a .stg file.