Search a BTags address as the other paths do

The sink left 'magic' and 'wrapscan' at the user's values, so a ctags pattern
holding '*' or '.' could land on an earlier line than the CTRL-O preview shows,
and a failing address threw out of the loop, dropping the rest of a
multi-selection.

autoload/fzf/vim.vim

@@ -1680,19 +1680,31 @@ function! s:btags_sink(from, lines)
   let tagname = ''
   call s:action_for(a:lines[0])
   let qfl = []
-  for line in a:lines[1:]
+  try
-    let parts = split(line, "\t")
+    " Searched with the settings s:tags_sink and the CTRL-O callback use, and a
-    let excmd = s:tag_address(parts[2])
+    " failing address must not drop the rest of the selection
-    if empty(excmd)
+    let [magic, &magic, wrapscan, &wrapscan] = [&magic, 0, &wrapscan, 1]
-      call s:warn('Unsupported tag address: '.s:strip(parts[0]))
+    for line in a:lines[1:]
-      continue
+      try
-    endif
+        let parts = split(line, "\t")
-    call s:execute_tag_address(excmd)
+        let excmd = s:tag_address(parts[2])
-    call add(qfl, {'filename': expand('%'), 'lnum': line('.'), 'text': getline('.')})
+        if empty(excmd)
-    if empty(tagname)
+          throw 'Unsupported tag address: '.s:strip(parts[0])
-      let tagname = s:strip(parts[0])
+        endif
-    endif
+        call s:execute_tag_address(excmd)
-  endfor
+        call add(qfl, {'filename': expand('%'), 'lnum': line('.'), 'text': getline('.')})
+        if empty(tagname)
+          let tagname = s:strip(parts[0])
+        endif
+      catch /^Vim:Interrupt$/
+        break
+      catch
+        call s:warn(v:exception)
+      endtry
+    endfor
+  finally
+    let [&magic, &wrapscan] = [magic, wrapscan]
+  endtry
 
   if len(qfl) > 1
     " Go back to the original position