Call the right quote from parse_quote on sufficiently new compilers
diff --git a/src/export.rs b/src/export.rs
index cc7a222..8e270bd 100644
--- a/src/export.rs
+++ b/src/export.rs
@@ -8,6 +8,9 @@
 pub use std::option::Option::{None, Some};
 pub use std::result::Result::{Err, Ok};
 
+#[cfg(feature = "printing")]
+pub extern crate quote;
+
 pub use proc_macro2::{Span, TokenStream as TokenStream2};
 
 pub use span::IntoSpans;