Running examples in ‘pandoc-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: pandoc_list_extensions
> ### Title: List supported extensions for a format
> ### Aliases: pandoc_list_extensions
> 
> ### ** Examples
> 
> ## Don't show: 
> if (pandoc_available("2.8")) (if (getRversion() >= "3.4") withAutoprint else force)({ # examplesIf
+ ## End(Don't show)
+ pandoc_list_extensions("markdown")
+ pandoc_list_extensions("gfm")
+ ## Don't show: 
+ }) # examplesIf
> pandoc_list_extensions("markdown")
# A tibble: 70 × 3
   format   extensions               default
   <chr>    <chr>                    <lgl>  
 1 markdown abbreviations            FALSE  
 2 markdown all_symbols_escapable    TRUE   
 3 markdown angle_brackets_escapable FALSE  
 4 markdown ascii_identifiers        FALSE  
 5 markdown auto_identifiers         TRUE   
 6 markdown autolink_bare_uris       FALSE  
 7 markdown backtick_code_blocks     TRUE   
 8 markdown blank_before_blockquote  TRUE   
 9 markdown blank_before_header      TRUE   
10 markdown bracketed_spans          TRUE   
# ℹ 60 more rows
> pandoc_list_extensions("gfm")
# A tibble: 27 × 3
   format extensions             default
   <chr>  <chr>                  <lgl>  
 1 gfm    ascii_identifiers      FALSE  
 2 gfm    attributes             FALSE  
 3 gfm    autolink_bare_uris     TRUE   
 4 gfm    bracketed_spans        FALSE  
 5 gfm    definition_lists       FALSE  
 6 gfm    east_asian_line_breaks FALSE  
 7 gfm    emoji                  TRUE   
 8 gfm    fancy_lists            FALSE  
 9 gfm    fenced_divs            FALSE  
10 gfm    footnotes              TRUE   
# ℹ 17 more rows
> ## End(Don't show)
> ## Don't show: 
> if (!is.null(pandoc::pandoc_system_bin()) && pandoc_system_version() > 2.8) (if (getRversion() >= "3.4") withAutoprint else force)({ # examplesIf
+ ## End(Don't show)
+ # target a specific version
+ pandoc_list_extensions("html", version = "system")
+ ## Don't show: 
+ }) # examplesIf
Error in .make_numeric_version(x, strict, .standard_regexps()$valid_numeric_version) : 
  invalid non-character version specification 'x' (type: double)
Calls: Ops.numeric_version ... as.numeric_version -> numeric_version -> .make_numeric_version
Execution halted