[Bug 205776] keyboard maps use an entirely fictional ASCII character

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Fri Jan 1 11:56:39 UTC 2016


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205776

            Bug ID: 205776
           Summary: keyboard maps use an entirely fictional ASCII
                    character
           Product: Base System
           Version: 10.2-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: misc
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: J.deBoynePollard-newsgroups at NTLWorld.COM

kbdmap(5) documents 35 ASCII control characters.  32 C0 control characters plus
SPACE and DEL is of course only 34 characters. 

The 35th, entirely fictional, ASCII character is "ns"; snuck in between "rs"
(character #30) and "us" (character #31).  There is no such ASCII character
name.

This fictional ASCII character can be found in three places:

* The kbdmap(5) manual page.
* Several keyboard layouts, including (for examples) share/vt/kbdmaps/ua.kbd,
share/vt/kbdmaps/lt.kbd, and share/vt/kbdmaps/pt.kbd
* The kbdcontrol tool.

A superficial analysis suggests, from the placement at [Control]+[-_], that in
most cases "us" is what was meant.

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