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Test environments

  • Ubuntu 24.04 LTS (local), R 4.3.3
  • GitHub Actions: Ubuntu (latest), macOS (latest), Windows (latest), R release
  • Tested with both Japanese (IPAdic) and Korean (mecab-ko-dic) dictionaries

R CMD check results

0 errors | 0 warnings | 5 notes

NOTEs

  • CRAN incoming feasibility: Two URLs redirect from http to https (www.r-pkg.org and www.rcpp.org). Both respond with 200.

  • Installed package size (330 Mb): The package bundles a MeCab dictionary (~325 Mb) at install time so that users do not need to install MeCab or dictionaries separately. The dictionary is required for the package to function.

  • Future file timestamps: "unable to verify current time" — local environment issue, not package-related.

  • DESCRIPTION meta-information: Author field differs from Authors@R because Authors@R includes a contributor (Akiru Kato) not listed in the plain Author field. Will be harmonised in a future release.

  • Non-portable compilation flag (-mno-omit-leaf-frame-pointer): This flag comes from the system R installation (Ubuntu 24.04), not from the package itself. The package does not set this flag.

Changes since last CRAN release

This is a major update from the last CRAN version (0.0.1.2):

  • MeCab is now built from source at install time on all platforms (Linux, macOS, Windows). No system-level MeCab installation required.
  • Dictionaries are automatically downloaded and bundled during install.
  • New download_dic() / set_dic() / list_dic() functions for managing multiple language dictionaries entirely within R.
  • New lang parameter on pos() and posParallel() for per-call language selection (e.g. pos("text", lang = "ja")).
  • New dict_index() function to compile user dictionaries from R.
  • mecab-ko 0.999 support (Korean).
  • Windows build now compiles MeCab from source instead of using pre-built DLLs.

Reverse dependencies

None. This package has no reverse dependencies on CRAN.