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MFC r208505: sh(1): Rework documentation of shell variables.
authorjilles <jilles@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Sat, 5 Feb 2011 20:48:45 +0000 (20:48 +0000)
committerjilles <jilles@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Sat, 5 Feb 2011 20:48:45 +0000 (20:48 +0000)
commit14bda76b1a129a54e1ef2fa4f4fb80fc86ffef66
tree01357a0d90215a502878eab27017657ef2bbdcc8tree | snapshot
parenta043c5429c23bce9ff0a4271bbf1416805c6592ccommit | diff
MFC r208505: sh(1): Rework documentation of shell variables.

* Move the "environment variables" that do not need exporting to be
  effective or that are set by the shell without exporting to a new section
  "Special Variables".
* Add special variables LINENO and PPID.
* Add environment variables LANG, LC_* and PWD; also describe ENV under
  environment variables.

git-svn-id: svn://svn.freebsd.org/base/stable/8@218339 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
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