* textprop.c (copy_text_properties): Pass a copy of POS to
validate_interval_range; that function increments its arguments, which isn't what we want. * intervals.c (find_interval): Consistently treat POSITION as an actual buffer position, i.e. origin 1. The old code seemed undecided on this point. Treat the end of the buffer as being part of the rightmost interval. (adjust_intervals_for_insertion): Consistently treat POSITION as origin 1. (interval_deletion_adjustment): The exception: FROM should be origin zero here. Consistently treat it as such. Simplify code which shrinks and possibly deletes intervals. (adjust_intervals_for_deletion): Treat start as origin 1; our caller does. (set_point): Use buffer positions throughout, not a mix of buffer posns and origin zero posns. (get_local_map): Remove special case for POSITION at end of buffer; find_interval handles that case correctly. (verify_interval_modification): Remove special case for START at end of buffer. * textprop.c (validate_interval_range): End-of-buffer/string positions no longer need special handling. * textprop.c (copy_text_properties): New function, from David Gillespie. * intervals.h: Declare copy_text_properties. * fns.c: #include "intervals.h". (Fsubstring): Copy text properties to result string. (concat): Copy text properties to result string. * ymakefile (fns.o): Note that this depends on INTERVAL_SRC.
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