JVET-AQ0072 AHG9: Editorial improvements for TuC [X. Xu, S. Liu (Tencent)]

In this contribution, a number of editorial changes are suggested to improve the quality of the TuC document (JVET-AQ2032-v2). They are summarized as follows:

1. Replace “color” with “colour”
2. Replace “-” with “−” in arithmetic operations
3. Replace if ( * ) with if( * ), and for ( * ) with for( * )
4. Replace “/” with “ / ”
5. Replace “==” or “ = = ” with “  = =  ”
6. Replace “&&” or “ && ” with “  &&  ”
7. Replace “+=” or “ += ” with “  +=  ”
8. Replace “!=” or “ != ” with “  !=  ”
9. Replace “>=” or “ >= ” with “  >=  ”
10. Replace “<=” or “ >= ” with “  <=  ”
11. Replace “>>” or “ >> ” with “  >>  ”
12. Replace “<<” or “ << ” with “  <<  ”
13. Replace “in the range of xx .. yy” and “in the range xx to yy” with “in the range of xx to yy”
14. Adjust proper spacing in between symbols, brackets and parentheses
15. Fix various typos

Delegate all items to the editors.