Revert "support widget lists ramnathv/htmlwidgets#110"

Just use htmltools::tagList()!

This reverts commit 7ba4253.

NAMESPACE

@@ -10,7 +10,6 @@ S3method(wrap,character)
 S3method(wrap,default)
 S3method(wrap,error)
 S3method(wrap,knit_asis)
-S3method(wrap,knit_asis_list)
 S3method(wrap,knit_image_paths)
 S3method(wrap,list)
 S3method(wrap,message)

R/block.R

@@ -389,7 +389,7 @@ inline_exec = function(block, envir = knit_global(), hook = knit_hooks$get('inli
   for (i in 1:n) {
     v = withVisible(eval(parse_only(code[i]), envir = envir))
     res = if (v$visible) knit_print(v$value, inline = TRUE, options = opts_chunk$get())
-    if (inherits(res, c('knit_asis', 'knit_asis_list'))) res = wrap(res, inline = TRUE)
+    if (inherits(res, 'knit_asis')) res = wrap(res, inline = TRUE)
     d = nchar(input)
     # replace with evaluated results
     stringr::str_sub(input, loc[i, 1], loc[i, 2]) = if (length(res)) {

R/output.R

@@ -474,12 +474,6 @@ wrap.knit_asis = function(x, options, inline = FALSE) {
   knit_hooks$get('output')(x, options)
 }
 
-#' @export
-wrap.knit_asis_list = function(x, options, inline = FALSE) {
-  res = lapply(x, wrap, options = options, inline = inline)
-  paste(unlist(res), collapse = '\n')
-}
-
 #' @export
 wrap.source = function(x, options) {
   src = sub('\n$', '', x$src)