For convenience, support 'make LOCALES="en-US" doc'. Revert if desired.

Also removed some tags in Makefile.common that should have been spaces.

common/Makefile.common

@@ -5,8 +5,9 @@ OS            = $(shell uname -s)
 BUILD_DATE    = $(shell date "+%Y/%m/%d %H:%M:%S")
 BASE          = $(TOP)/../common
 
-DOC_SRC_FILES = $(wildcard locale/*/*.txt)
-LOCALES       = $(wildcard locale/*)
+LOCALEDIR     = locale
+DOC_SRC_FILES = $(wildcard $(LOCALEDIR)/*/*.txt)
+LOCALES       = $(foreach locale,$(wildcard $(LOCALEDIR)/*),$(word 2,$(subst /, ,$(locale))))
 
 MAKE_JAR      = VERSION="$(VERSION)" DATE="$(BUILD_DATE)" sh $(BASE)/make_jar.sh
 
@@ -106,4 +107,4 @@ $(JAR): doc
 
 #### doc (see Makefile.doc)
 
-doc: $(LOCALES:%=%.doc) ;
+doc: $(foreach localetgt,$(LOCALES:%=%.doc),$(addprefix $(LOCALEDIR)/,$(localetgt))) ;