Merge branch 'ab/i18n-fixup' into maint

* ab/i18n-fixup: (24 commits)
  i18n: use test_i18n{cmp,grep} in t7600, t7607, t7611 and t7811
  i18n: use test_i18n{grep,cmp} in t7508
  i18n: use test_i18ngrep in t7506
  i18n: use test_i18ngrep and test_i18ncmp in t7502
  i18n: use test_i18ngrep in t7501
  i18n: use test_i18ncmp in t7500
  i18n: use test_i18ngrep in t7201
  i18n: use test_i18ncmp and test_i18ngrep in t7102 and t7110
  i18n: use test_i18ncmp and test_i18ngrep in t5541, t6040, t6120, t7004, t7012 and t7060
  i18n: use test_i18ncmp and test_i18ngrep in t3700, t4001 and t4014
  i18n: use test_i18ncmp and test_i18ngrep in t3203, t3501 and t3507
  i18n: use test_i18ngrep in t2020, t2204, t3030, and t3200
  i18n: use test_i18ngrep in lib-httpd and t2019
  i18n: do not overuse C_LOCALE_OUTPUT (grep)
  i18n: use test_i18ncmp in t1200 and t2200
  i18n: .git file is not a human readable message (t5601)
  i18n: do not overuse C_LOCALE_OUTPUT
  i18n: mark init-db messages for translation
  i18n: mark checkout plural warning for translation
  i18n: mark checkout --detach messages for translation
  ...

diff --cc builtin/clone.c
Simple merge

diff --cc builtin/init-db.c
Simple merge

diff --cc builtin/merge.c
Simple merge

diff --cc t/t0001-init.sh
Simple merge

diff --cc t/t2200-add-update.sh
Simple merge

diff --cc t/t3200-branch.sh
Simple merge

diff --cc t/t4001-diff-rename.sh
index 3dadf9b31636b862b2ab7377ce7100ebebd397e2,9a16d1cd932c901570b4d8218469d74692e5341f..844277cfa605f51cccd5d78a48a83fb75c03af9b
--- 1/t/t4001-diff-rename.sh
--- 2/t/t4001-diff-rename.sh
+++ b/t/t4001-diff-rename.sh
@@@ -71,35 -71,10 +71,35 @@@ test_expect_success 'favour same basena
        git rm path1 &&
        mkdir subdir &&
        git mv another-path subdir/path1 &&
-       git status | grep "renamed: .*path1 -> subdir/path1"'
+       git status | test_i18ngrep "renamed: .*path1 -> subdir/path1"'
  
- test_expect_success C_LOCALE_OUTPUT  'favour same basenames even with minor differences' '
+ test_expect_success 'favour same basenames even with minor differences' '
        git show HEAD:path1 | sed "s/15/16/" > subdir/path1 &&
-       git status | grep "renamed: .*path1 -> subdir/path1"'
+       git status | test_i18ngrep "renamed: .*path1 -> subdir/path1"'
  
 +test_expect_success 'setup for many rename source candidates' '
 +      git reset --hard &&
 +      for i in 0 1 2 3 4 5 6 7 8 9;
 +      do
 +              for j in 0 1 2 3 4 5 6 7 8 9;
 +              do
 +                      echo "$i$j" >"path$i$j"
 +              done
 +      done &&
 +      git add "path??" &&
 +      test_tick &&
 +      git commit -m "hundred" &&
 +      (cat path1; echo new) >new-path &&
 +      echo old >>path1 &&
 +      git add new-path path1 &&
 +      git diff -l 4 -C -C --cached --name-status >actual 2>actual.err &&
 +      sed -e "s/^\([CM]\)[0-9]*       /\1     /" actual >actual.munged &&
 +      cat >expect <<-EOF &&
 +      C       path1   new-path
 +      M       path1
 +      EOF
 +      test_cmp expect actual.munged &&
 +      grep warning actual.err
 +'
 +
  test_done

diff --cc t/t4014-format-patch.sh
Simple merge

diff --cc t/t7012-skip-worktree-writing.sh
Simple merge

diff --cc t/t7060-wtstatus.sh
Simple merge

diff --cc t/t7600-merge.sh
Simple merge

diff --cc t/test-lib.sh
Simple merge