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fixes


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FFFF instead of xxxE and xxxF, and discard hexadecimal D800 to DFFF as
well, as they're also invalid Unicode characters


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related variables


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of FFFF, as FFFE and FFFF are invalid Unicode characters


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functions' append parameter an enum instead of an int


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"default" syntax when necessary (the latter *is* actually ported mostly
from his patch with a few tweaks; the "default-syntax" option is
apparently something else entirely)


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their filename regexes are treated


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those files that don't match any other syntax's extensions (ported from
Brand Huntsman's old patch, but modified to work with a syntax named
"default" instead of requiring a "default-syntax" keyword, and to fit
into the existing color architecture)


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place to another, and add formatting fixes to the old code


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on the command line will now override the syntax associated with the
current file extension


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compile the file extension regexes on an as-needed basis too


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to wnoutrefresh() calls, except for those in total_update() and
do_credits(); call doupdate() just before using blocking input, since
nano spends the most time using it, for blocking input; and only do
constant sursor position display if we're just about to use blocking
input


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spell checker, either


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