sys-file-writer: Write encoding names in all-uppercase.

[pspp-builds.git] / doc / dev / system-file-format.texi

diff --git a/doc/dev/system-file-format.texi b/doc/dev/system-file-format.texi
index 22209a5fcd2183a709d5fbee57f765420499bb2b..84b3f66ff7385afd57c232730648e640e4a67062 100644 (file)
--- a/doc/dev/system-file-format.texi
+++ b/doc/dev/system-file-format.texi
@@ -987,8 +987,11 @@ The size of each element in the @code{encoding} member. Always set to 1.
 The total number of bytes in @code{encoding}.
 
 @item char encoding[];
-The name of the character encoding.  Normally this will be an official IANA characterset name or alias.
+The name of the character encoding.  Normally this will be an official
+IANA character set name or alias.
 See @url{http://www.iana.org/assignments/character-sets}.
+Character set names are not case-sensitive, but SPSS appears to write
+them in all-uppercase.
 @end table
 
 This record is not present in files generated by older software.  See