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13507 some man pages need update following 13405
6308 some man pages are obsolete after moving to ksh builtins

*** 21,40 **** unalias pattern - ksh - alias [-tx] [name[= value]...] - - - unalias name... - - - unalias [-a] - - ksh93 alias [-ptx] [name[= value]...] unalias [-a] [name...] --- 21,30 ----
*** 77,104 **** unalias discards aliases that match (filename substitution) pattern. All aliases can be removed by `unalias *'. - ksh - alias with no arguments prints the list of aliases in the form - name=value on standard output. An alias is defined for each name whose - value is specified. A trailing space in value causes the next word to - be checked for alias substitution. The -t flag is used to set and list - tracked aliases. The value of a tracked alias is the full pathname - corresponding to the specified name. The value becomes undefined when - the value of PATH is reset but the aliases remained tracked. Without - the -t flag, for each name in the argument list for which no value is - specified, the name and value of the alias is printed. The -x flag is - used to set or print exported aliases. An exported alias is defined for - scripts invoked by name. The exit status is non-zero if a name is - specified, but no value, and no alias has been defined for the name. - - - The aliass specified by the list of names can be removed from the alias - list with unalias. - ksh93 alias creates or redefines alias definitions or writes the existing alias definitions to standard output. --- 67,76 ----
*** 134,150 **** -a Removes all alias definitions from the current shell execution environment. - ksh - The following option is supported by alias: - - -t - Sets and lists tracked aliases. - - ksh93 The following options are supported by alias: -p Causes the output to be in the form of alias commands that can be --- 106,115 ----
*** 277,288 **** ATTRIBUTES See attributes(5) for descriptions of the following attributes: csh, ksh - - +--------------------+-------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-------------------+ |Interface Stability | Committed | +--------------------+-------------------+ --- 242,251 ----
*** 289,300 **** |Standard | See standards(5). | +--------------------+-------------------+ ksh93 - - +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Interface Stability | Uncommitted | +--------------------+-----------------+ --- 252,261 ----
*** 303,308 **** csh(1), ksh(1), ksh93(1), shell_builtins(1), attributes(5), environ(5), standards(5) ! April 8, 2008 ALIAS(1) --- 264,269 ---- csh(1), ksh(1), ksh93(1), shell_builtins(1), attributes(5), environ(5), standards(5) ! February 9, 2021 ALIAS(1)