23 ## Overview  section in Coding Guidelines
264 ### C/C++ Hiding Un-@stable APIs
327 ### C and C++ Type and Format Convention Guidelines
691 ### Memory Usage
784 ### C++ Coding Guidelines
1239 ### C Coding Guidelines
1483 ### Code style
1519 ### Code organization
1547 ### ICU Packages
1569 ### ICU4J API Stability
1585 ### Error Handling and Exceptions
1606 ### Binary Data Files
1623 ### Compiler Warnings
1632 ### Miscellaneous