diff --git a/Cargo.lock b/Cargo.lock
index 19782c9..3fa6113 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -19,7 +19,7 @@ checksum = "25bdb32cbbdce2b519a9cd7df3a678443100e265d5e25ca763b7572a5104f5f3"
 
 [[package]]
 name = "copager"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager",
@@ -48,7 +48,7 @@ dependencies = [
 
 [[package]]
 name = "copager_cfg"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "serde",
@@ -57,7 +57,7 @@ dependencies = [
 
 [[package]]
 name = "copager_core"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -76,7 +76,7 @@ dependencies = [
 
 [[package]]
 name = "copager_core_macros"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "proc-macro2",
@@ -87,7 +87,7 @@ dependencies = [
 
 [[package]]
 name = "copager_ir"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -98,7 +98,7 @@ dependencies = [
 
 [[package]]
 name = "copager_ir_sexp"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -114,7 +114,7 @@ dependencies = [
 
 [[package]]
 name = "copager_ir_void"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -126,7 +126,7 @@ dependencies = [
 
 [[package]]
 name = "copager_lex"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -137,7 +137,7 @@ dependencies = [
 
 [[package]]
 name = "copager_lex_derive"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -150,7 +150,7 @@ dependencies = [
 
 [[package]]
 name = "copager_lex_regex"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -164,7 +164,7 @@ dependencies = [
 
 [[package]]
 name = "copager_parse"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -176,7 +176,7 @@ dependencies = [
 
 [[package]]
 name = "copager_parse_common"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -187,7 +187,7 @@ dependencies = [
 
 [[package]]
 name = "copager_parse_derive"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -201,7 +201,7 @@ dependencies = [
 
 [[package]]
 name = "copager_parse_lr_common"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -214,7 +214,7 @@ dependencies = [
 
 [[package]]
 name = "copager_parse_lr_lalr1"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -232,7 +232,7 @@ dependencies = [
 
 [[package]]
 name = "copager_parse_lr_lr0"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -249,7 +249,7 @@ dependencies = [
 
 [[package]]
 name = "copager_parse_lr_lr1"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -267,7 +267,7 @@ dependencies = [
 
 [[package]]
 name = "copager_parse_lr_slr1"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "copager_cfg",
@@ -285,7 +285,7 @@ dependencies = [
 
 [[package]]
 name = "copager_utils"
-version = "0.1.1"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "serde",
diff --git a/Cargo.toml b/Cargo.toml
index 9179df6..c87e0e9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@ cargo-features = ["edition2024"]
 
 [package]
 name = "copager"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2024"
 
 [dependencies]
@@ -36,10 +36,10 @@ example_lang_xml = { path = "./examples/lang_xml" }
 [features]
 # all
 all = [
-    "prebuild", "derive", "dev",  # common
-    "regexlex",                   # lex
-    "lr0", "lr1", "slr1",         # parse
-    "void", "sexp"                # ir
+    "prebuild", "derive", "dev",   # common
+    "regexlex",                    # lex
+    "lr0", "lr1", "slr1", "lalr1", # parse
+    "void", "sexp"                 # ir
 ]
 
 # common
diff --git a/README.md b/README.md
index 764bf78..7db2b92 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Copager
 
-Rust製パーサジェネレータ
+「言語処理系生成系」の生成系（**Constructible** **Pa**rser **Ge**nerator on **R**ust）
 
 ## Features
 
@@ -27,6 +27,14 @@ Rust製パーサジェネレータ
 - `void` : [crates/ir_void](crates/ir_void)
 - `sexp` : [crates/ir_sexp](crates/ir_sexp)
 
+```
+// RegexLex(lex) + LR1(parse) + SExp(ir)
+copager = { ..., features = ["derive", "regexlex", "lr1", "sexp"] }
+
+// RegexLex(lex) + LALR1(parse) + Void(ir)
+copager = { ..., features = ["derive", "regexlex", "lalr1", "void"] }
+```
+
 ## Examples
 
 - [example_build_oneshot](examples/build_oneshot)
diff --git a/crates/cfg/Cargo.toml b/crates/cfg/Cargo.toml
index 0514617..d960f3c 100644
--- a/crates/cfg/Cargo.toml
+++ b/crates/cfg/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "copager_cfg"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 
 [dependencies]
diff --git a/crates/core/Cargo.toml b/crates/core/Cargo.toml
index 6f5d292..e11227e 100644
--- a/crates/core/Cargo.toml
+++ b/crates/core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "copager_core"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 
 [dependencies]
diff --git a/crates/core_macros/Cargo.toml b/crates/core_macros/Cargo.toml
index d33518c..256afa0 100644
--- a/crates/core_macros/Cargo.toml
+++ b/crates/core_macros/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "copager_core_macros"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 
 [dependencies]
diff --git a/crates/ir/Cargo.toml b/crates/ir/Cargo.toml
index c05bab9..9851034 100644
--- a/crates/ir/Cargo.toml
+++ b/crates/ir/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "copager_ir"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 
 [dependencies]
diff --git a/crates/ir_sexp/Cargo.toml b/crates/ir_sexp/Cargo.toml
index a3c4ec8..983cc78 100644
--- a/crates/ir_sexp/Cargo.toml
+++ b/crates/ir_sexp/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "copager_ir_sexp"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 
 [dependencies]
diff --git a/crates/ir_void/Cargo.toml b/crates/ir_void/Cargo.toml
index fcc2038..9889ab1 100644
--- a/crates/ir_void/Cargo.toml
+++ b/crates/ir_void/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "copager_ir_void"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 
 [dependencies]
diff --git a/crates/lex/Cargo.toml b/crates/lex/Cargo.toml
index df17694..d5bc620 100644
--- a/crates/lex/Cargo.toml
+++ b/crates/lex/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "copager_lex"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 
 [dependencies]
diff --git a/crates/lex_derive/Cargo.toml b/crates/lex_derive/Cargo.toml
index 6c9cabd..1d2f9ba 100644
--- a/crates/lex_derive/Cargo.toml
+++ b/crates/lex_derive/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "copager_lex_derive"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 
 [dependencies]
diff --git a/crates/lex_regex/Cargo.toml b/crates/lex_regex/Cargo.toml
index 5e07b94..58e0284 100644
--- a/crates/lex_regex/Cargo.toml
+++ b/crates/lex_regex/Cargo.toml
@@ -2,7 +2,7 @@ cargo-features = ["edition2024"]
 
 [package]
 name = "copager_lex_regex"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2024"
 
 [dependencies]
diff --git a/crates/parse/Cargo.toml b/crates/parse/Cargo.toml
index 7863532..f4c33f0 100644
--- a/crates/parse/Cargo.toml
+++ b/crates/parse/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "copager_parse"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 
 [dependencies]
diff --git a/crates/parse_common/Cargo.toml b/crates/parse_common/Cargo.toml
index 0351c48..7f261cf 100644
--- a/crates/parse_common/Cargo.toml
+++ b/crates/parse_common/Cargo.toml
@@ -2,7 +2,7 @@ cargo-features = ["edition2024"]
 
 [package]
 name = "copager_parse_common"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2024"
 
 [dependencies]
diff --git a/crates/parse_derive/Cargo.toml b/crates/parse_derive/Cargo.toml
index dc2fd69..1046351 100644
--- a/crates/parse_derive/Cargo.toml
+++ b/crates/parse_derive/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "copager_parse_derive"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 
 [dependencies]
diff --git a/crates/parse_lr_common/Cargo.toml b/crates/parse_lr_common/Cargo.toml
index ecc8628..372c90e 100644
--- a/crates/parse_lr_common/Cargo.toml
+++ b/crates/parse_lr_common/Cargo.toml
@@ -2,7 +2,7 @@ cargo-features = ["edition2024"]
 
 [package]
 name = "copager_parse_lr_common"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2024"
 
 [dependencies]
diff --git a/crates/parse_lr_lalr1/Cargo.toml b/crates/parse_lr_lalr1/Cargo.toml
index ded6f5c..133e361 100644
--- a/crates/parse_lr_lalr1/Cargo.toml
+++ b/crates/parse_lr_lalr1/Cargo.toml
@@ -2,7 +2,7 @@ cargo-features = ["edition2024"]
 
 [package]
 name = "copager_parse_lr_lalr1"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2024"
 
 [dependencies]
diff --git a/crates/parse_lr_lr0/Cargo.toml b/crates/parse_lr_lr0/Cargo.toml
index 4279751..2be284e 100644
--- a/crates/parse_lr_lr0/Cargo.toml
+++ b/crates/parse_lr_lr0/Cargo.toml
@@ -2,7 +2,7 @@ cargo-features = ["edition2024"]
 
 [package]
 name = "copager_parse_lr_lr0"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2024"
 
 [dependencies]
diff --git a/crates/parse_lr_lr1/Cargo.toml b/crates/parse_lr_lr1/Cargo.toml
index 287b880..9984ed6 100644
--- a/crates/parse_lr_lr1/Cargo.toml
+++ b/crates/parse_lr_lr1/Cargo.toml
@@ -2,7 +2,7 @@ cargo-features = ["edition2024"]
 
 [package]
 name = "copager_parse_lr_lr1"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2024"
 
 [dependencies]
diff --git a/crates/parse_lr_slr1/Cargo.toml b/crates/parse_lr_slr1/Cargo.toml
index e6a1254..493f49a 100644
--- a/crates/parse_lr_slr1/Cargo.toml
+++ b/crates/parse_lr_slr1/Cargo.toml
@@ -2,7 +2,7 @@ cargo-features = ["edition2024"]
 
 [package]
 name = "copager_parse_lr_slr1"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2024"
 
 [dependencies]
diff --git a/crates/utils/Cargo.toml b/crates/utils/Cargo.toml
index 3a9ffc7..10cbc86 100644
--- a/crates/utils/Cargo.toml
+++ b/crates/utils/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "copager_utils"
-version = "0.1.1"
+version = "0.3.0"
 edition = "2021"
 
 [dependencies]
diff --git a/src/lib.rs b/src/lib.rs
index a291a3f..0fe6f2a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -37,7 +37,7 @@ pub mod ir {
 }
 
 pub mod prelude {
-    pub use copager_cfg::rule::{RuleTag, Rule, RuleElem};
+    pub use copager_cfg::rule::{Rule, RuleElem, RuleTag};
     pub use copager_cfg::token::TokenTag;
 }