ncurses 6.2 - patch 20210116

[ncurses.git] / misc / terminfo.src

diff --git a/misc/terminfo.src b/misc/terminfo.src
index 3b683c657f8332e3c64a64e135f52a79505b4993..3f235b1efcdeb3d3330eef3e1c304c6538a26efa 100644 (file)
--- a/misc/terminfo.src
+++ b/misc/terminfo.src
@@ -6,8 +6,8 @@
 # Report bugs and new terminal descriptions to
 #      bug-ncurses@gnu.org
 #
-#      $Revision: 1.840 $
-#      $Date: 2020/12/28 00:40:10 $
+#      $Revision: 1.841 $
+#      $Date: 2021/01/17 00:39:21 $
 #
 # The original header is preserved below for reference.  It is noted that there
 # is a "newer" version which differs in some cosmetic details (but actually
@@ -1028,6 +1028,24 @@ linux2.2|linux 2.2.x console,
 #      'p' scan line 3
 #      'r' scan line 7
 #      '_' scan line 9
+#
+# The fix for SI/SO is part of a configurable (i.e., "optional") kernel feature
+# misleadingly called CONFIG_CONSOLE_TRANSLATIONS.  Disabling that not only
+# omits the line-drawing using SI/SO, but also part/all of the Unicode feature:
+#
+#    https://cateee.net/lkddb/web-lkddb/CONSOLE_TRANSLATIONS.html
+#      "This enables support for font mapping and Unicode translation on virtual consoles."
+#
+# This mailing list thread in July 2008 illustrates:
+#
+#    https://marc.info/?t=121734656700005&r=1&w=4
+#      "commit a29ccf6f823a84d89e1c7aaaf221cf7282022024 break console on slackware 12.1"
+#
+# The change which made it configurable was to reduce the size for use in
+# embedded systems.  Some background is found in
+#
+#    https://lwn.net/Articles/284767/
+#      "An interview with the new embedded maintainers"
 linux2.6|linux 2.6.x console,
        acsc=++\,\,--..00``aaffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxy
             yzz{{||}}~~,
@@ -26778,4 +26796,8 @@ v3220|LANPAR Vision II model 3220/3221/3222,
 # 2020-12-27
 #      + update terminology to 1.8.1 -TD
 #
+# 2021-01-16
+#      + add comment for linux2.6 regarding CONFIG_CONSOLE_TRANSLATIONS
+#        (report by Patrick McDermott) -TD
+#
 ######## SHANTIH!  SHANTIH!  SHANTIH!