ls: document and test new shell-escape quoting

* doc/coreutils.texi (ls invocation): Describe the new
'shell-escape' and 'shell-escape-always' quoting options.
* src/ls.c (usage): Mention the new quoting options.
* tests/misc/ls-misc.pl: Add a test for 'shell-escape'

1 files changed, 2 insertions, 2 deletions

diff --git a/src/ls.c b/src/ls.c
index 95a2ed8ec..8d68a03e1 100644
--- a/src/ls.c
+++ b/src/ls.c
@@ -4906,8 +4906,8 @@ Sort entries alphabetically if none of -cftuvSUX nor --sort is specified.\n\
 \n\
   -Q, --quote-name           enclose entry names in double quotes\n\
       --quoting-style=WORD   use quoting style WORD for entry names:\n\
-                               literal, locale, shell, shell-always, c, escape\
-\n\
+                               literal, locale, shell, shell-always,\n\
+                               shell-escape, shell-escape-always, c, escape\n\
 "), stdout);
       fputs (_("\
   -r, --reverse              reverse order while sorting\n\