Created attachment 123329 [details] Mismatched operator[] SUMMARY The operator[] of std::array type variables has different syntax highlight colors. STEPS TO REPRODUCE #include <array> int main() { std::array<double, 5> data; data[0] = 1; return 0; } OBSERVED RESULT EXPECTED RESULT SOFTWARE/OS VERSIONS Operating System: Fedora 30 KDE Plasma Version: 5.15.5 KDE Frameworks Version: 5.59.0 Qt Version: 5.12.5 Kernel Version: 5.3.5-200.fc30.x86_64 OS Type: 64-bit ADDITIONAL INFORMATION