23 ## Overview  section in Coding Guidelines
260 ### C/C++ Hiding Un-@stable APIs
323 ### C and C++ Type and Format Convention Guidelines
683 ### Memory Usage
776 ### C++ Coding Guidelines
1221 ### C Coding Guidelines
1465 ### Code style
1501 ### Code organization
1529 ### ICU Packages
1551 ### Error Handling and Exceptions
1572 ### Binary Data Files
1589 ### Compiler Warnings
1598 ### Miscellaneous