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Eli Zaretskii authored
Also fixed an unrelated bug caused by vertical-motion. src/xdisp.c (Fcurrent_bidi_paragraph_direction): Initialize itb.string.lstring. (compute_display_string_pos, compute_display_string_end): Fix calculation of the object to scan. Fixes an error when using arrow keys. (next_element_from_buffer): Don't abort when IT_CHARPOS is before base_level_stop; instead, set base_level_stop to BEGV. Fixes crashes in vertical-motion.
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