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Diffstat (limited to '')
| -rw-r--r-- | dhall/src/syntax/text/printer.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/dhall/src/syntax/text/printer.rs b/dhall/src/syntax/text/printer.rs index 0c2eb2e..4b7b8b8 100644 --- a/dhall/src/syntax/text/printer.rs +++ b/dhall/src/syntax/text/printer.rs @@ -156,7 +156,9 @@ fn fmt_label(label: &Label, f: &mut fmt::Formatter) -> Result<(), fmt::Error> { }; if s.is_empty() { write!(f, "``") - } else if !is_reserved && s.chars().all(|c| c.is_ascii_alphanumeric()) { + } else if !is_reserved + && s.chars().all(|c| c.is_ascii_alphanumeric() || c == '_') + { write!(f, "{}", s) } else { write!(f, "`{}`", s) |