doc/help localization changes

- by default, do not build any other locale than C for now
- do not try to build the guides.  These require functioning
  dtinfo/docbook
- add a Linux.lcx locale translation db.  Not used yet.
- fix some overflows in dtdocbook/instant

cde/doc/ja_JP.dt-eucJP/Imakefile

@@ -3,9 +3,14 @@ XCOMM $TOG: Imakefile /main/5 1997/03/05 11:10:37 damon $
 #define PassCDebugFlags
 
 /* due to split-VOB setup, force help to come last in make Makefiles */
+#if defined(LinuxArchitecture)
+XCOMM we cannot build guides on linux yet
+SUBDIRS = help
+BSUBDIRS = help 
+#else
 SUBDIRS = guides m-guides help
 BSUBDIRS = help guides m-guides
-
+#endif
 XCOMM work around local clearcase vobs setup
 MakeDirectories(all,help-sdl cde.dti)