+== Exception names [[excnames]] ==
+
+Exception identifiers form a hierarchy. Each identifier consists of dot-separated
+components with the most general component at the beginning.
+
+All exceptions raised by LibUCW reside in the `ucw` subtree. So far, the
+following exception types are defined:
+
+`ucw.fb`:: <<fastbuf:fbexc,Fastbufs>>
+