update elements and fix some bugs

lib/src/prism/components/prism-r.min.js

Index: lib/src/prism/components/prism-r.min.js
diff --git a/lib/src/prism/components/prism-r.min.js b/lib/src/prism/components/prism-r.min.js
index 6784b409837557c1e37e4a261a93633c8670284a..53fe1cc6af05e50115d47c0074746d3259bcf63d 100644
--- a/lib/src/prism/components/prism-r.min.js
+++ b/lib/src/prism/components/prism-r.min.js
@@ -1 +1 @@
-Prism.languages.r={comment:/#.+/,string:/(['"])(?:\\?.)*?\1/,"percent-operator":{pattern:/%[^%]*?%/,alias:"operator"},"boolean":/\b(?:TRUE|FALSE)\b/,ellipsis:/\.\.(?:\.|\d+)/,number:[/\b(?:NaN|Inf)\b/,/\b(?:0x[\dA-Fa-f]+(?:\.\d*)?|\d*\.?\d+)(?:[EePp][+-]??\d+)?[iL]?\b/],keyword:/\b(?:if|else|repeat|while|function|for|in|next|break|NULL|NA|NA_integer_|NA_real_|NA_complex_|NA_character_)\b/,operator:/->>?|<?<-|[<>!=]=?|::?|&&?|\|\|?|[+\-*\/^$@~]/,punctuation:/[(){}\[\],;]/};
+Prism.languages.r={comment:/#.*/,string:/(['"])(?:\\?.)*?\1/,"percent-operator":{pattern:/%[^%\s]*%/,alias:"operator"},"boolean":/\b(?:TRUE|FALSE)\b/,ellipsis:/\.\.(?:\.|\d+)/,number:[/\b(?:NaN|Inf)\b/,/\b(?:0x[\dA-Fa-f]+(?:\.\d*)?|\d*\.?\d+)(?:[EePp][+-]?\d+)?[iL]?\b/],keyword:/\b(?:if|else|repeat|while|function|for|in|next|break|NULL|NA|NA_integer_|NA_real_|NA_complex_|NA_character_)\b/,operator:/->?>?|<(?:=|<?-)?|[>=!]=?|::?|&&?|\|\|?|[+*\/^$@~]/,punctuation:/[(){}\[\],;]/};