Add clear-screen emacs editing command, currently not bound to a
key by default. The shell will query the terminfo database to
find the escape sequence to clear the screen. OK deraadt@

Support 64 bit integers on 32 bit architectures.

No binary change on amd64 and there should be no differences on any
other 64 bit architecture either (because long = int64_t).

ok cheloha, tb

Add -Wshadow to Makefile and fix the resulting warnings. Many of
the warnings are due to the use of globals with generic names,
specifically "options" and "path". I've renamed "options" to
"sh_opti

Add -Wshadow to Makefile and fix the resulting warnings. Many of
the warnings are due to the use of globals with generic names,
specifically "options" and "path". I've renamed "options" to
"sh_options" since it holds the shell options and "path" to
"search_path". OK jca@ tb@

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Implement HISTCONTROL ignoredups & ignorespace features

ignoredups: don't save the current line if it is identical to the last
history line.
ignorespace: don't save the current line if it starts wit

Implement HISTCONTROL ignoredups & ignorespace features

ignoredups: don't save the current line if it is identical to the last
history line.
ignorespace: don't save the current line if it starts with a space

ok anton@ millert@

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Move more declarations out of proto.h into better headers, from Michael
McConville. No binary change.

Remove EXTERN from table.h and put the definitions in table.c, from
Michael McConville.

Replace Tflag typedef with just int; ok tedu

Allow for more vars in hash table, improve hash function, increase
hash table size sooner. Based on suggestion from Michael Niedermayer.
ok krw@ mpi@

fix a few name clashes with libc; found by lint. ok deraadt@

Remove unused OS dependent #ifdef blocks, #defines and macro abstraction.
First step in making the ksh code easier to read. From Matthias Kilian

patches from pdksh 5.2.13.11

pdksh-5.2.13 + local changes

Update to 5.2.12.

update to pdksh-5.2.8

Import pdksh 5.2.7.