Installed untex and re-indexed, still the same problem, so the problem is still here. Moreover, .tex files are akin to program sources, so they should be indexed as text (the same as .py or .c files).
Installed untex and re-indexed, still the same problem, so the problem is still here. Moreover, .tex files are akin to program sources, so they should be indexed as text (the same as .py or .c files).