r - How can I force a line break in rmarkdown's title for ioslides presentation? -


this question has answer here:

the solution html_document output not work ioslides_presentation output. how can force title change @ specific location?

the solution html_document output produces strange results. 

--- title: |    | extremely long title   | desired line break @    | specific location output: ioslides_presentation ---

well, figured out myself. can add html tags title, e.g. <br>. works:

--- title: extremely long <br> title <br> desired    line break <br> @ specific <br> location output: ioslides_presentation ---

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