more rules regarding symbols

1 files changed, 14 insertions, 1 deletions

diff --git a/docs/README.symbols b/docs/README.symbols
index 10be81c..749618e 100644
--- a/docs/README.symbols
+++ b/docs/README.symbols
@@ -3,7 +3,7 @@ The files in the symbols directory describe possible layouts for a given
 keyboard.
 
 The default layout in each file should describe the most common layout
-for its kind, ususally the symbols printed on the keys. Layout variants
+for its kind, usually the symbols printed on the keys. Layout variants
 can describe common differences that are not necessarily printed on the keys.
 (e.g. a phonetic version of Cyrillic).
 
@@ -36,3 +36,16 @@ The ISO codes can be found at the following addressed:
 Country layouts:  http://www.iso.org/iso/en/prods-services/iso3166ma/02iso-3166-code-lists/iso_3166-1_decoding_table.html
 Language layouts: http://www.loc.gov/standards/iso639-2/langcodes.html
 Script layouts:   http://www.unicode.org/iso15924/iso15924-codes.html
+
+The description in the directory file base.xml.in should match the group names 
+in the symbols file. 
+
+If the layout is country-based, this has to be the full 
+name of the country. It is highly not recommended to use the forms 
+"Republic of XXX" or "XXX Republic" - the form "XXX" should be used instead.
+The only exception is "United Kingdom".
+
+If the layout is language-based, this has to be the name of the language.
+
+Within single symbols file, all the variants should have the same group name 
+(implemented using the "include" directive wherever possible).