Adding a --disable-histories flag, to disable the code for
the histories of search/replace strings and cursor positions.


git-svn-id: svn://svn.sv.gnu.org/nano/trunk/nano@4988 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
Transform many DISABLE_NANORC #ifdefs to the new DISABLE_HISTORIES.
This completes the fix for Savannah bug #42539.


git-svn-id: svn://svn.sv.gnu.org/nano/trunk/nano@4989 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
Pfff...  Getting all iterations right is difficult.


git-svn-id: svn://svn.sv.gnu.org/nano/trunk/nano@4990 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
Huh!?  Why doesn't the build fail here without this change?


git-svn-id: svn://svn.sv.gnu.org/nano/trunk/nano@4991 35c25a1d-7b9e-4130-9fde-d3aeb78583b8