Tweak unescape template function to unescape the escape char as well

Test that more thouroughly in the unit tests.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/string_utils.hh b/src/string_utils.hh
index f1796f7c..e8442fc2 100644
--- a/src/string_utils.hh
+++ b/src/string_utils.hh
@@ -14,7 +14,11 @@ String escape(StringView str, StringView characters, char escape);
 String unescape(StringView str, StringView characters, char escape);
 
 template<char character, char escape>
-String unescape(StringView str) { return unescape(str, character, escape); }
+String unescape(StringView str)
+{
+    const char to_escape[2] = { character, escape };
+    return unescape(str, {to_escape, 2}, escape);
+}
 
 String indent(StringView str, StringView indent = "    ");