Major update

ftplugin/latextoc.vim

@@ -76,9 +76,14 @@ function! s:TOCActivate(close)
 
     execute b:calling_win . 'wincmd w'
 
+    let root = fnamemodify(entry['file'], ':h') . '/'
     let files = [entry['file']]
     for line in filter(readfile(entry['file']), 'v:val =~ ''\\input{''')
-        call add(files, matchstr(line, '{\zs.*\ze\(\.tex\)\?}') . '.tex')
+        let file = matchstr(line, '{\zs.\{-}\ze\(\.tex\)\?}') . '.tex'
+        if file[0] != '/'
+            let file = root . file
+        endif
+        call add(files, file)
     endfor
 
     " Find section in buffer (or inputted files)