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我一直在研究 Maëlle Salmon推荐的改进 R 包的工具，但无法使 pkgdown::build_site() 工作：

> pkgdown::build_site()
Initialising site --------------------------------------------------------------------------------------------------------
Copying 'C:/Users/name/Documents/R/win-library/3.3/pkgdown/assets/jquery.sticky-kit.min.js'
Copying 'C:/Users/name/Documents/R/win-library/3.3/pkgdown/assets/link.svg'
Copying 'C:/Users/name/Documents/R/win-library/3.3/pkgdown/assets/pkgdown.css'
Copying 'C:/Users/name/Documents/R/win-library/3.3/pkgdown/assets/pkgdown.js'
Building home ------------------------------------------------------------------------------------------------------------
Writing 'C:\Users\name\Dropbox\Rpackages\runchart-02\docs/authors.html'
Updating README.md
Building article 'index.html'
Error in stri_split_boundaries(string, n = n, simplify = simplify, opts_brkiter = opts(pattern)) : 
  argument `str` should be a character vector (or an object coercible to)
> traceback()
6: stop(err[[2]])
5: get_result(output = out, options)
4: callr::r_safe(function(...) rmarkdown::render(...), args = list(input, 
       output_format = format$format, output_file = basename(output_file), 
       quiet = quiet, encoding = encoding, envir = globalenv()), 
       show = !quiet)
3: render_rmd(pkg, input, "index.html", depth = depth, data = data, 
       toc = FALSE, strip_header = TRUE, encoding = encoding)
2: build_home(pkg, path = path, encoding = encoding)
1: pkgdown::build_site()

查看文档stri_split_boundaries我的猜测是，某些文件或字符串在stringi预期的情况下是空的。因此我尝试过：

  1. 创建一个 NEW.md 文件（以前没有）
  2. 如此处所述，记录包（而不是包中的函数）
  3. 删除我用于实验的空脚本

这些都没有效果。这是我的第一个 R 包，我还没有弄清楚如何正确调试这样的问题。我已经查看了源代码，build_home()但很难知道从哪里开始。现在，我几乎是在随意尝试。感谢任何帮助 - 即使它是关于如何调试此类问题的更通用的建议。

> sessionInfo()
R version 3.3.2 (2016-10-31)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] dplyr_0.5.0    stringr_1.1.0  runchart_0.2.0

loaded via a namespace (and not attached):
 [1] Rcpp_0.12.9        whisker_0.3-2      knitr_1.15.1       xml2_1.1.1         magrittr_1.5       roxygen2_6.0.1    
 [7] MASS_7.3-45        pkgload_0.0.0.9000 debugme_1.0.2      R6_2.2.2           rlang_0.1.2.9000   httr_1.3.1        
[13] tools_3.3.2        DBI_0.5-1          withr_2.0.0        htmltools_0.3.5    commonmark_1.2     yaml_2.1.14       
[19] assertthat_0.1     digest_0.6.12      rprojroot_1.2      tibble_1.3.3       pkgdown_0.1.0.9000 crayon_1.3.2      
[25] processx_2.0.0.1   callr_1.0.0.9000   purrr_0.2.3        curl_2.3           memoise_1.1.0      evaluate_0.10.1   
[31] rmarkdown_1.6      stringi_1.1.2      desc_1.1.1         backports_1.0.5
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