+#| msgid ""
+#| "Usage: apt-cache [options] command\n"
+#| " apt-cache [options] add file1 [file2 ...]\n"
+#| " apt-cache [options] showpkg pkg1 [pkg2 ...]\n"
+#| " apt-cache [options] showsrc pkg1 [pkg2 ...]\n"
+#| "\n"
+#| "apt-cache is a low-level tool used to manipulate APT's binary\n"
+#| "cache files, and query information from them\n"
+#| "\n"
+#| "Commands:\n"
+#| " add - Add a package file to the source cache\n"
+#| " gencaches - Build both the package and source cache\n"
+#| " showpkg - Show some general information for a single package\n"
+#| " showsrc - Show source records\n"
+#| " stats - Show some basic statistics\n"
+#| " dump - Show the entire file in a terse form\n"
+#| " dumpavail - Print an available file to stdout\n"
+#| " unmet - Show unmet dependencies\n"
+#| " search - Search the package list for a regex pattern\n"
+#| " show - Show a readable record for the package\n"
+#| " depends - Show raw dependency information for a package\n"
+#| " rdepends - Show reverse dependency information for a package\n"
+#| " pkgnames - List the names of all packages\n"
+#| " dotty - Generate package graphs for GraphViz\n"
+#| " xvcg - Generate package graphs for xvcg\n"
+#| " policy - Show policy settings\n"
+#| "\n"
+#| "Options:\n"
+#| " -h This help text.\n"
+#| " -p=? The package cache.\n"
+#| " -s=? The source cache.\n"
+#| " -q Disable progress indicator.\n"
+#| " -i Show only important deps for the unmet command.\n"
+#| " -c=? Read this configuration file\n"
+#| " -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
+#| "See the apt-cache(8) and apt.conf(5) manual pages for more information.\n"