feature gate named-entities (making phf optional)

1 files changed, 8 insertions, 2 deletions

diff --git a/Cargo.toml b/Cargo.toml
index c9086e8..a4257b3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,11 +10,17 @@ categories = [ "parser-implementations", "web-programming" ]
 keywords = ["html", "html5", "tokenizer", "parser"]
 edition = "2018"
 
+[features]
+default = ["named-entities"]
+
+# resolve named entities like &
+named-entities = ["phf", "phf_codegen"]
+
 [dependencies]
-phf = "0.9"
+phf = { version = "0.9", optional = true  }
 
 [build-dependencies]
-phf_codegen = "0.9"
+phf_codegen = { version = "0.9", optional = true }
 
 [dev-dependencies]
 typed-arena = "1.3.0"