[fix] links to v0.3.0.

README.md

@@ -77,7 +77,7 @@ Example .cabal:
 This library has been tested to work with GHC 9.2.8.
 
 ## Getting Started
-To run the [SemanticsZoo example](https://github.com/sayo-hs/heftia/blob/232599fbdfaf13dcf009f40585369e0ec71fd0bd/heftia-effects/Example/SemanticsZoo/Main.hs):
+To run the [SemanticsZoo example](https://github.com/sayo-hs/heftia/blob/v0.3.0/heftia-effects/Example/SemanticsZoo/Main.hs):
 ```console
 $ git clone https://github.com/sayo-hs/heftia
 $ cd heftia/heftia-effects
@@ -112,7 +112,7 @@ are some examples:
 In handling higher-order effects, it's easy to work with **multi-shot delimited continuations**.
 This enables an almost complete emulation of "Algebraic Effects and Handlers".
 For more details, please refer to
-the [example code](https://github.com/sayo-hs/heftia/blob/232599fbdfaf13dcf009f40585369e0ec71fd0bd/heftia-effects/Example/Continuation/Main.hs).
+the [example code](https://github.com/sayo-hs/heftia/blob/v0.3.0/heftia-effects/Example/Continuation/Main.hs).
 
 ### Two interpretations of the `censor` effect for Writer
 
@@ -165,7 +165,7 @@ Pre-applying: Goodbye world!
 Post-applying: Hello world!!
 ```
 
-For more details, please refer to the [complete code](https://github.com/sayo-hs/heftia/blob/develop/heftia-effects/Example/Writer/Main.hs) and the [implementation of the elaborator](https://github.com/sayo-hs/heftia/blob/develop/heftia-effects/src/Control/Effect/Interpreter/Heftia/Writer.hs).
+For more details, please refer to the [complete code](https://github.com/sayo-hs/heftia/blob/v0.3.0/heftia-effects/Example/Writer/Main.hs) and the [implementation of the elaborator](https://github.com/sayo-hs/heftia/blob/v0.3.0/heftia-effects/src/Control/Effect/Interpreter/Heftia/Writer.hs).
 
 Furthermore, the structure of Heftia is theoretically straightforward, with ad-hoc elements being
 eliminated.
@@ -176,10 +176,10 @@ This may be useful when writing concurrent effectful code.
 Heftia is the current main focus of the [Sayo Project](https://github.com/sayo-hs).
 
 ## Documentation
-The example codes are located in the [heftia-effects/Example/](https://github.com/sayo-hs/heftia/tree/232599fbdfaf13dcf009f40585369e0ec71fd0bd/heftia-effects/Example) directory.
+The example codes are located in the [heftia-effects/Example/](https://github.com/sayo-hs/heftia/tree/v0.3.0/heftia-effects/Example) directory.
 Also, the following *HeftWorld* example: https://github.com/sayo-hs/HeftWorld
 
-Examples with explanations in Japanese can be found in the [docs-ja/examples/](https://github.com/sayo-hs/heftia/tree/master/docs-ja/examples) directory.
+Examples with explanations in Japanese can be found in the [docs-ja/examples/](https://github.com/sayo-hs/heftia/tree/v0.3.0/docs-ja/examples) directory.
 
 ## Comparison
 
@@ -241,12 +241,12 @@ This is indeed true in terms of its internal mechanisms as well.
 * Benchmarking
 
 ## License
-The license is MPL 2.0. Please refer to the [NOTICE](https://github.com/sayo-hs/heftia/blob/232599fbdfaf13dcf009f40585369e0ec71fd0bd/NOTICE).
+The license is MPL 2.0. Please refer to the [NOTICE](https://github.com/sayo-hs/heftia/blob/v0.3.0/NOTICE).
 Additionally, this README.md and the documents under the `docs-ja` directory are licensed
 under CC BY-SA 4.0.
 
 ## Your contributions are welcome!
-Please see [CONTRIBUTING.md](https://github.com/sayo-hs/heftia/blob/232599fbdfaf13dcf009f40585369e0ec71fd0bd/CONTRIBUTING.md).
+Please see [CONTRIBUTING.md](https://github.com/sayo-hs/heftia/blob/v0.3.0/CONTRIBUTING.md).
 
 ## Credits
 Parts of this project have been inspired by the following resources:

docs-ja/examples/01 First-order.md

@@ -363,7 +363,7 @@ prog'' :: ('[] :!! '[B]) a
 
 ## コード全体
 
-コードの全体は以下のようになる。タグ付きエフェクトのコードは[GitHub](https://github.com/sayo-hs/heftia/blob/9639e3aeb3fcfd641f19b7cdccc10e686e6fca5d/heftia-effects/Example/Teletype/Main.hs)にある。
+コードの全体は以下のようになる。タグ付きエフェクトのコードは[heftia-effects/Example/Teletype/](https://github.com/sayo-hs/heftia/blob/v0.3.0/heftia-effects/Example/Teletype/Main.hs)にある。
 
 ```haskell
 {-# LANGUAGE AllowAmbiguousTypes #-}

docs-ja/examples/02 Higher-order.md

@@ -742,4 +742,5 @@ liftIO $ putStrLn "------"
 
 ---
 
-パートの例で使用したコードの全体は[GitHub](TODO)にある。
+本パートの例で使用したコードの全体は[heftia-effects/Example/Logging/](https://github.com/sayo-hs/heftia/blob/v0.3.0/heftia-effects/Example/Logging/Main.hs)にある。
+

docs-ja/examples/03 Delimited continuation.md

@@ -108,10 +108,5 @@ scope exited. result: (1,1)(1,2)(1,3)(1,4)(2,1)(2,2)(2,3)(2,4)(3,1)(3,2)(3,3)(3,
 
 Haskell上でEffect Systemを実現するライブラリは数多くあるが、いわゆる「Algebraic Effects and Handlers」で可能なこと（限定継続の取り出しとそれを用いたモジュラーな高階エフェクトのハンドリング）をほぼフルでエミュレートできるのは、Hefty Algebrasに基づくElaboration方式のみのようだ。
 
-以上で、本ライブラリの入門編は終わりになる。本ライブラリの"感覚"を掴むための最低限の説明をしたつもりだ。まだまだ説明できなかった事柄がたくさんあるので、各自Haddockを辿るか、次のシリーズである応用編が書かれるのを待ってほしい！Haddockに関してはほとんどドキュメントは書けていない。ドキュメントの整備を手伝ってくれる人は大歓迎だ！
+本パートの例で使用したコードの全体は[heftia-effects/Example/Continuation/](https://github.com/sayo-hs/heftia/blob/v0.3.0/heftia-effects/Example/Continuation/Main.hs)にある。
 
-本シリーズを英訳してくれる人も募集中です。
-
----
-
-本パートの例で使用したコードの全体は[GitHub](TODO)にある。