fix diff and blame view search for horizontal scrolling with unicode ok op@

wrap overlong lines in tog.c

fix horizontal scrolling of unicode in the blame view ok op@

fix horizontal scrolling of unicode in tog diff view ok op@

add missing linebreaks to demarcate sentences in tog.1 ok op@

missed style(9) fixes in previous commit ok tb@

fix build with -DGOT_NO_OBJ_CACHE ok stsp

plug realloc memleak and style(9) fixes in expand_tab() fixes and ok from tb@

move horizontal line scrolling logic into format_line() for easier reuse ok op@

fix an off-by-one in tog's draw_file() causing wrong diff output This issue caused empty lines added in diffs to be displayed without leading + in the diff view. Problem found by op@ ok op jamsek

fix a recent regression where tog segfaults if Ctrl+l is used in the log view

fix horizontal scrolling of unicode in tog log view ok jamsek

fix horizontal scrolling bug in the blame view ok op@, jamsek

show last-modified date in the "tog ref" view if the 'm' key is pressed Patch by Mark Jamsek

implement horizontal scrolling for tog diff, blame, and log views Patch by Mark Jamsek

style: remove double semicolon

revert "clear the rest of the pack_fds pointers" There is no need to clear local variables before returning from a function. ok tracey

fix D_GOTWWW default path; gotweb can now run without a config file again ok tracey

clear the rest of the pack_fds pointers

clear gw_trans->pack_fds pointer in gotweb

fix recent regression in gotweb for pack_fds

using a local packfd variable in open_worktree() is sufficient

remove pointless assignment at the end of got_repo_pack_fds_close()

don't look for close() errors if opentemp() failed in got_repo_pack_fds_open()

clear pack_fds pointer in tog's stop_blame() after closing