ICU-21261 Adds 'units' data to pseudolocale data generation. Also corrects the documentation in a few places.

icu4c/source/data/cldr-icu-readme.txt

@@ -122,7 +122,7 @@
 # 1a. Java and ant variables, adjust for your system
 
 export JAVA_HOME=`/usr/libexec/java_home`
-export ANT_OPTS="-Xmx4096m
+export ANT_OPTS="-Xmx4096m"
 
 # 1b. CLDR variables, adjust for your setup; with cygwin it might be e.g.
 # CLDR_DIR=`cygpath -wp /build/cldr`

tools/cldr/cldr-to-icu/src/main/java/org/unicode/icu/tool/cldrtoicu/PseudoLocales.java

@@ -191,8 +191,7 @@ public final class PseudoLocales {
             ldml("numbers/defaultNumberingSystem");
 
         // These paths were mostly derived from looking at the previous implementation's behaviour
-        // and can be modified as needed. Notably there are no "units" here (but they were also
-        // excluded in the original code).
+        // and can be modified as needed.
         private static final Predicate<CldrPath> IS_PSEUDO_PATH =
             matchAnyLdmlPrefix(
                 "localeDisplayNames",
@@ -203,7 +202,8 @@ public final class PseudoLocales {
                 "listPatterns",
                 "posix/messages",
                 "characterLabels",
-                "typographicNames")
+                "typographicNames",
+                "units")
                 .and(matchAnyLdmlPrefix(
                     "localeDisplayNames/localeDisplayPattern",
                     "dates/timeZoneNames/fallbackFormat")

tools/cldr/lib/README.txt

@@ -29,7 +29,7 @@ Installing the CLDR API jar
 
 From this directory:
 
-$ ./install-cldr-jars.sh "$CLDR_ROOT"
+$ ./install-cldr-jars.sh "$CLDR_DIR"
 
 
 Manually installing the CLDR API jar