Merge branch 'jh/alias-i18n-fixes'

Further update to the i18n alias support to avoid regressions.

* jh/alias-i18n-fixes:
  doc: fix list continuation in alias.adoc
  git, help: fix memory leaks in alias listing
  alias: treat empty subsection [alias ""] as plain [alias]
  doc: fix list continuation in alias subsection example

diff --cc git.c
Simple merge

diff --cc help.c
index 95f576c5c81d9f663144962cf8442d87ea30e55e,725e92a1958eeb81da94e430a3fdd7c683a115f5..3e59d07c370b8362223e2f356419d4f03294c9fd
--- 1/help.c
--- 2/help.c
+++ b/help.c
@@@ -422,7 -422,8 +422,7 @@@ void list_cmds_by_config(struct string_
        if (repo_config_get_string_tmp(the_repository, "completion.commands", &cmd_list))
                return;
  
-       string_list_sort_u(list, 0);
 -      string_list_sort(list);
 -      string_list_remove_duplicates(list, 1);
++      string_list_sort_u(list, 1);
  
        while (*cmd_list) {
                struct strbuf sb = STRBUF_INIT;