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@ -7,16 +7,16 @@ walk every time you open the file `psrw.ps`.
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You can open the file with `gv`:
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'''
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```
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gv -nosafer -nosafedir psrw.ps
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'''
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```
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where the extra options are needed to disable some security checks. You
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can also visualise the document with Ghostscript, if you like:
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'''
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```
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gs psrw.ps
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'''
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```
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Liked it? Now close the file and reopen it ;-)
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@ -61,15 +61,15 @@ files saved in proprietary formats?
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## Links
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- A brief [summary of Poscript
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commands][http://www.math.ubc.ca/~cass/courses/ps.html]
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commands](http://www.math.ubc.ca/~cass/courses/ps.html)
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- A [game of life][https://www.tjhsst.edu/~edanaher/pslife/] written in
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- A [game of life](https://www.tjhsst.edu/~edanaher/pslife/) written in
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Poscript
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- An interesting
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[proof][https://nixwindows.wordpress.com/2018/03/13/ed1-is-turing-complete/
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] showing that [ed, the standard text
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editor][http://wiki.c2.com/?EdIsTheStandardTextEditor] is indeed
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[proof](https://nixwindows.wordpress.com/2018/03/13/ed1-is-turing-complete/
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) showing that [ed, the standard text
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editor](http://wiki.c2.com/?EdIsTheStandardTextEditor) is indeed
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Turing-complete
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## License
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