Maxime Coste 89f016d871 Refactor column highlighter to make it more robust ... Support arbitrary orders for column highlighters (it was previously failing when column highlighters were not applied in column order). Fix show_matching tab handling at the same time (horizontal scrolling, tab characters and show_matching were behaving badly). Window highlighting now runs user highlighters, then built-ins for each phases, instead of running all phases for user highlighters, then all phases for built-ins. We now consider unprintable character to be 1-column width as we know we will display them as "�". Fixes #1615 Fixes #1023		2017-10-12 14:46:15 +08:00
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multi-columns	Refactor column highlighter to make it more robust	2017-10-12 14:46:15 +08:00