system/less: bump { 581 --> 590 }.

Note that the patches correspond to:

  * https://github.com/gwsw/less/commit/5e1f4ce2c3a2c0fd6a953c4f7ca2839370f9c3ae.patch
  * https://github.com/gwsw/less/commit/d3edebf528da8a9e15d6be518c24e90462a28698.patch

with minor modifications to remove conflicts in non-code NRO and NEWS files.

1 files changed, 37 insertions, 0 deletions

diff --git a/system/less/search-path-lesskey-file.patch b/system/less/search-path-lesskey-file.patch
new file mode 100644
index 000000000..422376930
--- /dev/null
+++ b/system/less/search-path-lesskey-file.patch
@@ -0,0 +1,37 @@
+From d3edebf528da8a9e15d6be518c24e90462a28698 Mon Sep 17 00:00:00 2001
+From: Mark Nudelman <markn@greenwoodsoftware.com>
+Date: Tue, 19 Oct 2021 14:24:04 -0700
+Subject: [PATCH] Add $HOME/.config to possible locations of lesskey file.
+
+---
+ NEWS         |  4 ++++
+ decode.c     | 13 ++++++++++++-
+ less.nro.VER |  2 +-
+ 3 files changed, 17 insertions(+), 2 deletions(-)
+
+diff --git a/decode.c b/decode.c
+index e1a55198..2eb480fa 100644
+--- a/decode.c
++++ b/decode.c
+@@ -952,9 +952,20 @@ add_hometable(call_lesskey, envname, def_filename, sysvar)
+ 		filename = save(def_filename);
+ 	else /* def_filename is just basename */
+ 	{
++		/* Remove first char (normally a dot) unless stored in $HOME. */
+ 		char *xdg = lgetenv("XDG_CONFIG_HOME");
+ 		if (!isnullenv(xdg))
+-			filename = dirfile(xdg, def_filename+1, 1);
++			filename = dirfile(xdg, &def_filename[1], 1);
++		if (filename == NULL)
++		{
++			char *home = lgetenv("HOME");
++			if (!isnullenv(home))
++			{
++				char *cfg_dir = dirfile(home, ".config", 0);
++				filename = dirfile(cfg_dir, &def_filename[1], 1);
++				free(cfg_dir);
++			}
++		}
+ 		if (filename == NULL)
+ 			filename = homefile(def_filename);
+ 	}