Added small comments about address sizes

git-svn-id: svn://svn.cc65.org/cc65/trunk@2834 b7a2c559-68d2-44c3-8de9-860c34a00d81

doc/ca65.sgml

@@ -908,7 +908,7 @@ if you want to access the "other" symbol <tt/bar/, you would have to write:
         .endscope
 </verb></tscreen>
 
-
+       
 <sect>Address sizes<label id="address-sizes"><p>
 
 
@@ -1962,12 +1962,17 @@ Here's a list of all control commands and a description, what they do:
 <sect1><tt>.EXPORT</tt><label id=".EXPORT"><p>
 
   Make symbols accessible from other modules. Must be followed by a comma
-  separated list of symbols to export.
+  separated list of symbols to export, with each one optionally followed by
+  an address specification. The default is to export the symbol with the
+  address size it actually has. The assembler will issue a warning, if the
+  symbol is exported with an address size smaller than the actual address
+  size.
 
   Example:
 
   <tscreen><verb>
-	.export	foo, bar
+	.export	foo
+        .export bar: far
   </verb></tscreen>
 
   See: <tt><ref id=".EXPORTZP" name=".EXPORTZP"></tt>
@@ -2342,12 +2347,14 @@ Here's a list of all control commands and a description, what they do:
 <sect1><tt>.IMPORT</tt><label id=".IMPORT"><p>
 
   Import a symbol from another module. The command is followed by a comma
-  separated list of symbols to import.
+  separated list of symbols to import, with each one optionally followed by
+  an address specification.
 
   Example:
 
   <tscreen><verb>
-   	.import	foo, bar
+   	.import	foo
+        .import bar: zeropage
   </verb></tscreen>
 
   See: <tt><ref id=".IMPORTZP" name=".IMPORTZP"></tt>