Creates a Pandoc's markdown style title block with optional author, title and date fields.
pandoc.title.return(author = "", title = "", date = "")By default this function outputs (see: cat) the result. If you would want to catch the result instead, then call the function ending in .return.
John MacFarlane (2012): _Pandoc User's Guide_. https://johnmacfarlane.net/pandoc/README.html
pandoc.title('Tom', 'Render pandoc in R', '2012-05-16')
#> Render pandoc in R
#> Tom
#> % 2012-05-16
pandoc.title(c('Tom', 'Jerry'), 'Render pandoc in R', '2012-05-16')
#> Render pandoc in R
#> % Tom; Jerry
#> % 2012-05-16
pandoc.title('Tom; Jerry', 'Render pandoc in R', '2012-05-16')
#> Render pandoc in R
#> Tom; Jerry
#> % 2012-05-16
pandoc.title('Tom; Jerry', c('Render', 'pandoc', 'in R'), '2012-05-16')
#> % Render
#> pandoc
#> in R
#> Tom; Jerry
#> % 2012-05-16
pandoc.title('Tom; Jerry', 'Render\n pandoc \n in R', '2012-05-16')
#> Render
#> pandoc
#> in R
#> Tom; Jerry
#> % 2012-05-16
## missing fields
pandoc.title('Tom; Jerry', 'Render pandoc in R')
#> Render pandoc in R
#> Tom; Jerry
pandoc.title('Tom; Jerry')
#> %
#> Tom; Jerry
pandoc.title(title = 'Render pandoc in R', date= '2012-05-16')
#> Render pandoc in R
#> %
#> % 2012-05-16