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Annotation of researchv10no/cmd/ex/READ_ME, revision 1.1.1.1

1.1       root        1: This is version 3 of the editor. It is too large to fit on a pdp-11
                      2: unless you have overlay code. (Such code is available for v7 unix on 2bsd.)
                      3: 
                      4: Version 2.13 corresponds to version 3 without the enhancements in 3.
                      5: There is no reason to use 2.13 unless you have a pdp-11 that does not have
                      6: overlay software, since 3 contains all the bug fixes and some new features.
                      7: 
                      8: Special installation notes for this version.
                      9: 2) The include file varargs.h should be installed, as the printf here needs it.
                     10: 3) The include file local/uparm.h should be installed, as ex_tune.h needs it.
                     11:    The contents of this include file can be modified if you wish to place
                     12:    the editor in a nonstandard location.
                     13: 
                     14: Conditional compilation flags:
                     15:        -DTRACE         for debugging (wont then fit on an 11)
                     16:        -DVFORK         for UCB Vax/Unix with the vfork system call.
                     17:        -DCHDIR         compile in undocumented old chdir (cd) command
                     18:        -DLISP          compile in lisp hacks
                     19:        -DUCVISUAL      compile in code to handle \ escapes for visual on
                     20:                        upper case only terminals.  gross.
                     21:        -DCRYPT         -x option to edit encrypted files

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