xsprintf_callback_example()FunctionExample @{function:xsprintf} callback. When you call `xsprintf`, you must
pass a callback like this one. `xsprintf` will invoke the callback when it
encounters a conversion (like "%Z") in the pattern string.xsprintf_callback_example()FunctionExample @{function:xsprintf} callback. When you call `xsprintf`, you must
pass a callback like this one. `xsprintf` will invoke the callback when it
encounters a conversion (like "%Z") in the pattern string.