From 6c35f2e4b51066ea57c8a96abc5411dd4521f3f9 Mon Sep 17 00:00:00 2001
From: Michael Gross <info@komika.org>
Date: Mon, 22 Jan 2024 22:55:37 +0100
Subject: [PATCH] tmp

---
 jsonc/filter.go      | 2 +-
 jsonc/filter_test.go | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/jsonc/filter.go b/jsonc/filter.go
index 2547c4c..6082d49 100644
--- a/jsonc/filter.go
+++ b/jsonc/filter.go
@@ -281,7 +281,7 @@ func (v *ValueNoQuoteState) Next(ru rune, f *Filter) error {
 		return renderValue()
 	}
 
-	if !unicode.IsLetter(ru) && !unicode.IsDigit(ru) && ru != '.' && ru != '+' {
+	if !unicode.IsLetter(ru) && !unicode.IsDigit(ru) && ru != '.' && ru != '+' && ru != '-' {
 		return Errorf("invalid identifier", f.ring.Position())
 	}
 
diff --git a/jsonc/filter_test.go b/jsonc/filter_test.go
index 93d091b..b1c15bd 100644
--- a/jsonc/filter_test.go
+++ b/jsonc/filter_test.go
@@ -103,6 +103,13 @@ func JsonData() []TestJson {
 			JsonCString: `{ test// test : value 
 			: key  v : h }`,
 		},
+		{
+			JsonCString: `{
+    "enabled": false,
+    "concurrency": -1
+}`,
+			ExpectedJsonString: `{"enabled":false,"concurrency":-1}`,
+		},
 	}
 }