1 files changed, 8 insertions, 3 deletions
diff --git a/src/paca.mjs b/src/paca.mjs
index 380200a..e68cd77 100644
--- a/src/paca.mjs
+++ b/src/paca.mjs
@@ -17,12 +17,13 @@ const shouldConcat = (char, next) =>
 	next !== undefined &&
 	char !== "(" &&
 	char !== "|" &&
+	char !== "{" &&
 	!nonConcatOperators.has(next);
 
 const isOperator = char =>
 	nonConcatOperators.has(char) || char == "(";
 
-const tokenizeRegexStep = chars => ({ out, state }, char, index) => {
+const tokenizeRegexStep = chars => ({ out, state, context }, char, index) => {
 	const next = chars[index + 1];
 	const maybeConcat = shouldConcat(char, next)
 		? [{operator: "concat"}]
@@ -32,6 +33,7 @@ const tokenizeRegexStep = chars => ({ out, state }, char, index) => {
 		return {
 			out: out.concat(char, maybeConcat),
 			state: ConcatStep.ACCEPTING,
+			context,
 		};
 	}
 
@@ -39,6 +41,7 @@ const tokenizeRegexStep = chars => ({ out, state }, char, index) => {
 		return {
 			out,
 			state: ConcatStep.ESCAPING,
+			context,
 		};
 	}
 
@@ -46,13 +49,15 @@ const tokenizeRegexStep = chars => ({ out, state }, char, index) => {
 	return {
 		out: out.concat(op, maybeConcat),
 		state,
+		context,
 	};
 };
 
 const tokenizeRegexFn = chars =>
 	chars.reduce(tokenizeRegexStep(chars), {
-		out:   [],
-		state: ConcatStep.ACCEPTING,
+		out:     [],
+		state:   ConcatStep.ACCEPTING,
+		context: null,
 	});
 
 const tokenizeRegex = chars => {