Drop two outdated entries

Namely POSIX character classes and tilde expansion within parameter
substitution.  While here, kill a useless line and fix a typo.
From Klemens Nanni

diff --git a/bin/ksh/NOTES b/bin/ksh/NOTES
index 5fc1080..2e1d825 100644 (file)
--- a/bin/ksh/NOTES
+++ b/bin/ksh/NOTES
@@ -1,4 +1,4 @@
-$OpenBSD: NOTES,v 1.14 2016/01/29 11:50:40 tb Exp $
+$OpenBSD: NOTES,v 1.15 2018/01/08 13:39:06 jca Exp $
 
 General features of at&t ksh88 that are not (yet) in pdksh:
     - exported aliases and functions (not in ksh93).
@@ -6,7 +6,6 @@ General features of at&t ksh88 that are not (yet) in pdksh:
     - signals/traps not cleared during functions.
     - trap DEBUG, local ERR and EXIT traps in functions.
     - ERRNO parameter.
-    - doesn't have posix file globbing (eg, [[:alpha:]], etc.).
     - use of an `agent' to execute unreadable/setuid/setgid shell scripts
       (don't ask).
     - read/select aren't hooked in to the command line editor
@@ -34,7 +33,6 @@ Known bugs (see also BUG-REPORTS and PROJECTS files):
          an exit, but not sure.
        - `echo foo | read bar; echo $bar' prints foo in at&t ksh, nothing
          in pdksh (ie, the read is done in a separate process in pdksh).
-    Misc:
 
 Known problems not caused by ksh:
     - after stoping a job, emacs/vi is not re-entered.  Hitting return
@@ -249,15 +247,13 @@ POSIX sh questions (references are to POSIX 1003.2-1992)
          (eg, echo $((  ))).  at&t ksh (and now pdksh) echo 0.
          Same question goes for `test "" -eq 0' - does this generate an error
          or, if not, what is the exit code?
-       - should tilde expansion occur after :'s in the word part of ${..=..}?
-         (me thinks it should)
        - if a signal is received during the execution of a built-in,
          does the builtin command exit or the whole shell?
        - is it legal to execute last command of pipeline in current
          execution environment (eg, can "echo foo | read bar" set
          bar?)
        - what action should be taken if there is an error doing a dup due
-         to system limits (eg, not enough feil destriptors): is this
+         to system limits (eg, not enough file destriptors): is this
          a "redirection error" (in which case a script will exit iff the
          error occured while executing a special built-in)?
          IMHO, shell should exit script.  Couldn't find a blanket statement