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Languguage OS II Version 10-94 (Knowledge Media)(1994).ISO
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oleo-1_4.lha
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oleo-1.4
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NEWS
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===== Oleo 1.4 =====
A whole mess of bugfixes and portability fixes.
Oleo still does not run on systems that lack the `select' system call.
Volunteers who would like to port Oleo to such systems (perhaps
adapting code form GNU Emacs) are encouraged to write to
bug-oleo@prep.ai.mit.edu.
===== Oleo 1.3.1 =====
- Several compilation problems (io-edit.c, autoconf goodies) have been
fixed, as well as all reported bugs.
- Date formula functions have been added using strftime, localtime, gmtime, mktime,
GNU get_date, and GNU posixtm.
Oleo measures time using integers that count seconds. Calendar dates
(as opposed to intervals of time) are measured from 1 Jan 1970 GMT.
The new Oleo functions are:
Computing times from conventional representations:
hms_to_time compute an interval from hours, minutes, and seconds
dhms_to_time compute an interval from days, hours, minutes, and seconds
time_to_d compute the number of days in an interval
time_to_h " " " " hours " "
time_to_m " " " " minutes " "
time_to_s " " " " seconds " "
ymd Convert a local year, month, and day to an absolute time.
ymd_dst The same, but perhaps overriding normal d.s.t. conventions.
get_date Parse a date in the style of GNU date or GNU tar.
posix_date Parse a date following Posix syntax.
Converting from absolute times to calendar times
local_year, local_month, These convert with respect to
local_date, local_hour, the local timezone.
local_min, local_sec,
local_isdst, local_yday, local_wday
gmt_year, gmt_month, These convert with respect to
gmt_date, gmt_hour, GMT.
gmt_min, gmt_sec,
gmt_isdst, gmt_yday, gmt_wday
Finally, the miscellaneous pile:
strftime Format a time nicely (on-line help (^H^F) has details)
===== Oleo 1.3 =====
- Many keybindings have changed. The new bindings more closely resemble Emacs.
Most commands are now bound to control or meta characters.
Alphanumeric characters begin cell entry. There are a variety of
new motion commands.
The file KEYS contains a wallchart of Oleo bindings. This file was
derived from the output of the command `M-x write-wallchart'.
- There is now on-line help for interactive functions and formula
expressions. ^H is the help prefix.
- Argument prompting has changed. Oleo's interactive behavior is now
much less like vi, and much more like Emacs. For example, the
arguments to interactive functions are now prompted for indivdually
rather than with a single readline.
- Oleo speaks gnuplot. A series of graph commands (accessed via
`M-g') can be used to create gnuplot graphs of data in Oleo
spreadsheets. X11 users can draw graphs on the screen. Anyone can
generate postscript.
- Tax forms! A volunteer has created the spreadsheet irs-1992.oleo.
It contains spreadsheets for a number of federal and State of
Connecticut tax forms. Thanks to Ronald Florence <ron@mlfarm.com>.
- Larger address space. By default, Oleo now provides 16 bit cell
addresses (there are 65535 rows and columns).
===== Oleo 1.2.2 =====
This is a bugfix release. Nearly all bugs reported for 1.2.1 have
been fixed (a few could not be reproduced). Many portability problems
have been fixed.
Release 1.2.2 has been built and (minimally) tested on these systems:
RS/6000 running AIX
Sun4 running SunOS 4.1.1
Sun3 running SunOS 4.1.1_U1
A more significant amount of testing has been done on DECstation
5000's running Ultrix 4.2.
===== Oleo 1.2.1 =====
This is a bugfix release. Various configuration problems and a few
trivial bugs in the 1.2 release have been repaired.
===== Oleo 1.2 =====
This is primarily a bigfix release. In addition, there are some new features.
* New command line options
--version or -v: print out a version number
--quiet or -q: don't print the disclaimer
--ignore-init-file or -f: don't read commands from .oleorc or ~/.oleorc
* New commands/Changes to commands
write-variables: writes to a file or pipe the values of all variables
that are bound to cells. Variables bound to regions are not
written.
read-variables: The inverse of write-variables. Variables that are
bound to a range cause an error. Variables not bound to a
cell are ignored.
Format-cell and format-region can now be used to set cell fonts.
set-region-forumla: This can be used to edit many cells at once.
{upper,lower}-{left,right}: These commands go to extremes. They are
bound to M-{^Y ^U ^B and ^N}.
{insert,delete}-{row,column}: new commands bound to ^O, ^K, M-^O, M-^K.
{move,copy}-region: these commands now work (at least for many test cases).
exchange-point-and-mark: ^X ^X
* File Format Changes
SYLK mode appears to have changed at some time in the past. Older
(and correct, i presume) versions write cell references in a0
format. The last alpha and early beta releases use rc format.
Now there are two file formats ``sylk'' and ``sylk-noa0''.
If older sylk files don't work with one, they may with the other.
Hopefully, between them, all oleo-generated sylk files can be read.
Users are encouraged to read and write files in ``oleo'' format (the
default).
Oleo file format has changed in a (hopefully) upward compatable way.
When reading sylk or oleo files, a format error now causes the read
to be aborted.
Oleo no longer generates a panic file on any signal (it dumps core
like everyone else).
* X tweaks
The window now has a title.
Whatever key corresponds to Mod1Mask is treated as a meta key.
The resources oleo.geometry, oleo.foreground and oleo.background
have the expected effects.
* New formula functions
In the `cells' package there is a new function vlookup_str that can
be used to search a table, using a keyword string. See USING.
===== Oleo 1.1 =====
Sat Nov 21 21:03:31 1992
This is a bugfix release. Release 1.0 had a few trivial, but fatal
bugs, and didn't work at all unless you editted global.h first. If
you had trouble with that release, please try this one.
If formulas don't seem to work at all, or if you experience core dumps
when defining formulas, check to see that that the definition of
CELLREF in globals.h is correct for your system. The current
definitions assume that characters are 8 bits, and the short integers
are 16 bits.
All reported bugs have been fixed.
The opening disclaimer is no longer printed if you have a .oleorc file.