diff -ur ctags-5.6/sh.c ctags-5.6-ebuild/sh.c
--- ctags-5.6/sh.c	2006-05-30 00:37:13.000000000 -0400
+++ ctags-5.6-ebuild/sh.c	2006-10-07 17:37:31.000000000 -0400
@@ -7,7 +7,8 @@
 *   GNU General Public License.
 *
 *   This module contains functions for generating tags for scripts for the
-*   Bourne shell (and its derivatives, the Korn and Z shells).
+*   Bourne shell (and its derivatives, the Korn and Z shells), along with some
+*   specialised kinds of shell scripts (Gentoo ebuilds and eclasses).
 */
 
 /*
@@ -102,7 +103,7 @@
 extern parserDefinition* ShParser (void)
 {
 	static const char *const extensions [] = {
-		"sh", "SH", "bsh", "bash", "ksh", "zsh", NULL
+		"sh", "SH", "bsh", "bash", "ksh", "zsh", "ebuild", "eclass", NULL
 	};
 	parserDefinition* def = parserNew ("Sh");
 	def->kinds      = ShKinds;