将脚注导出到Beamer将它们放在框架上太低

Question

如何在Org文件中定义分配给脚注的空间,该文件旨在作为Beamer演示文稿导出？问题结果如下所示:

Org文件的相关位如下所示:

#+STARTUP: beamer
#+LaTeX_CLASS: beamer
#+LaTeX_CLASS_OPTIONS: [bigger]
#+BEAMER_FRAME_LEVEL: 2
#+COLUMNS: %40ITEM %10BEAMER_env(Env) %9BEAMER_envargs(Env Args) %4BEAMER_col(Col) %10BEAMER_extra(Extra)

* Role of Org-Babel

** Overview                                                         :B_verse:
   :PROPERTIES:
   :BEAMER_env: verse
   :END:
   =org-babel= is a facility that provides inline code evaluation,
   highlighting and tangling[fn:1: Tangling and untangling is the
   process employed in literate programming for hiding and displaying
   code blocks.].

PS.当然是文学编程.

Answer 1

在标头中添加以下选项:

#+LaTeX_HEADER:\addtobeamertemplate{footnote}{}{\vspace{2ex}}