(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('test_description', {[SQ <LIT_CHARS "diff function context">]})])
  (Com {[LIT_CHARS .]} {[LIT_CHARS ./test-lib.sh]}  )
  (Com {[LIT_CHARS .]} {[DQ [VarSub TEST_DIRECTORY]] [LIT_CHARS /diff-lib.sh]}  )
  (Com {[LIT_CHARS cat]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=False body_word={[LIT_CHARS "#include <stdio.h>\n"] [LIT_CHARS "\n"] [LIT_CHARS "static int a(void)\n"] [LIT_CHARS "{\n"] [LIT_CHARS "\t/*\n"] [LIT_CHARS "\t * Dummy.\n"] [LIT_CHARS "\t */\n"] [LIT_CHARS "}\n"] [LIT_CHARS "\n"] [LIT_CHARS "static int hello_world(void)\n"] [LIT_CHARS "{\n"] [LIT_CHARS "\t/* Classic. */\n"] [LIT_CHARS "\tprintf(\"Hello world.\\n\");\n"] [LIT_CHARS "\n"] [LIT_CHARS "\t/* Success! */\n"] [LIT_CHARS "\treturn 0;\n"] [LIT_CHARS "}\n"] [LIT_CHARS "static int b(void)\n"] [LIT_CHARS "{\n"] [LIT_CHARS "\t/*\n"] [LIT_CHARS "\t * Dummy, too.\n"] [LIT_CHARS "\t */\n"] [LIT_CHARS "}\n"] [LIT_CHARS "\n"] [LIT_CHARS "int main(int argc, char **argv)\n"] [LIT_CHARS "{\n"] [LIT_CHARS "\ta();\n"] [LIT_CHARS "\tb();\n"] [LIT_CHARS "\treturn hello_world();\n"] [LIT_CHARS "}\n"]} <REDIR_DLESS "<<"> 0),
    (FilenameRedirectNode filename={[LIT_CHARS hello.c]} <REDIR_GREAT ">"> 1),
    >
  )
  (Com {[LIT_CHARS test_expect_success]} {[SQ <LIT_CHARS setup>]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\tgit add hello.c &&\n"> <LIT_CHARS "\ttest_tick &&\n"> <LIT_CHARS "\tgit commit -m initial &&\n"> <LIT_CHARS "\n"> <LIT_CHARS "\tgrep -v Classic <hello.c >hello.c.new &&\n"> <LIT_CHARS "\tmv hello.c.new hello.c\n">]}  )
  (Com {[LIT_CHARS cat]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=False body_word={[LIT_CHARS "diff --git a/hello.c b/hello.c\n"] [LIT_CHARS "--- a/hello.c\n"] [LIT_CHARS "+++ b/hello.c\n"] [LIT_CHARS "@@ -10,8 +10,7 @@ static int a(void)\n"] [LIT_CHARS " static int hello_world(void)\n"] [LIT_CHARS " {\n"] [LIT_CHARS "-\t/* Classic. */\n"] [LIT_CHARS " \tprintf(\"Hello world.\\n\");\n"] [LIT_CHARS " \n"] [LIT_CHARS " \t/* Success! */\n"] [LIT_CHARS " \treturn 0;\n"] [LIT_CHARS " }\n"]} <REDIR_DLESS "<<"> 0),
    (FilenameRedirectNode filename={[LIT_CHARS expected]} <REDIR_GREAT ">"> 1),
    >
  )
  (Com {[LIT_CHARS test_expect_success]} {[SQ <LIT_CHARS "diff -U0 -W">]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\tgit diff -U0 -W >actual &&\n"> <LIT_CHARS "\tcompare_diff_patch actual expected\n">]}  )
  (Com {[LIT_CHARS cat]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=False body_word={[LIT_CHARS "diff --git a/hello.c b/hello.c\n"] [LIT_CHARS "--- a/hello.c\n"] [LIT_CHARS "+++ b/hello.c\n"] [LIT_CHARS "@@ -9,9 +9,8 @@ static int a(void)\n"] [LIT_CHARS " \n"] [LIT_CHARS " static int hello_world(void)\n"] [LIT_CHARS " {\n"] [LIT_CHARS "-\t/* Classic. */\n"] [LIT_CHARS " \tprintf(\"Hello world.\\n\");\n"] [LIT_CHARS " \n"] [LIT_CHARS " \t/* Success! */\n"] [LIT_CHARS " \treturn 0;\n"] [LIT_CHARS " }\n"]} <REDIR_DLESS "<<"> 0),
    (FilenameRedirectNode filename={[LIT_CHARS expected]} <REDIR_GREAT ">"> 1),
    >
  )
  (Com {[LIT_CHARS test_expect_success]} {[SQ <LIT_CHARS "diff -W">]} {[SQ <LIT_CHARS "\n"> <LIT_CHARS "\tgit diff -W >actual &&\n"> <LIT_CHARS "\tcompare_diff_patch actual expected\n">]}  )
  (Com {[LIT_CHARS test_done]}  )
)