From e1bc079650ef86bdd0aef6ebce3fd2443ecea91a Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Fri, 29 Jun 2012 19:27:28 +0000
Subject: translate script parameters for msgcat update msgcat doc

---
 doc/msgcat.n              | 15 +++++++++------
 library/msgcat/msgcat.tcl | 20 ++++++++++++--------
 2 files changed, 21 insertions(+), 14 deletions(-)

diff --git a/doc/msgcat.n b/doc/msgcat.n
index 00141ad..c2c0abd 100644
--- a/doc/msgcat.n
+++ b/doc/msgcat.n
@@ -13,7 +13,7 @@ msgcat \- Tcl message catalog
 .SH SYNOPSIS
 \fBpackage require Tcl 8.5\fR
 .sp
-\fBpackage require msgcat 1.4.2\fR
+\fBpackage require msgcat 1.4.5\fR
 .sp
 \fB::msgcat::mc \fIsrc-string\fR ?\fIarg arg ...\fR?
 .sp
@@ -165,11 +165,14 @@ to extract its parts.  The initial locale is then set by calling
 .CS
 language[_country][_modifier]
 .CE
-On Windows, if none of those environment variables is set, msgcat will
-attempt to extract locale information from the
-registry.  If all these attempts to discover an initial locale
-from the user's environment fail, msgcat defaults to an initial
-locale of
+On Windows and Cygwin, if none of those environment variables is set,
+msgcat will attempt to extract locale information from the registry.
+From Windows Vista on, the RFC4747 locale name "lang-script-country-options"
+is transformed to the locale as "lang_country_script" (Example:
+sr-Latn-CS -> sr_cs_latin). For Windows XP, the language id is
+transformed analoguously (Example: 0c1a -> sr_yu_cyrillic).
+If all these attempts to discover an initial locale from the user's
+environment fail, msgcat defaults to an initial locale of
 .QW C .
 .PP
 When a locale is specified by the user, a
diff --git a/library/msgcat/msgcat.tcl b/library/msgcat/msgcat.tcl
index f6c62a3..3377b47 100644
--- a/library/msgcat/msgcat.tcl
+++ b/library/msgcat/msgcat.tcl
@@ -342,7 +342,7 @@ proc msgcat::mcmset {locale pairs } {
     set ns [uplevel 1 [list ::namespace current]]
 
     foreach {src dest} $pairs {
-        dict set Msgs $locale $ns $src $dest
+	dict set Msgs $locale $ns $src $dest
     }
 
     return $length
@@ -388,10 +388,10 @@ proc msgcat::mcmax {args} {
     set max 0
     foreach string $args {
 	set translated [uplevel 1 [list [namespace origin mc] $string]]
-        set len [string length $translated]
-        if {$len>$max} {
+	set len [string length $translated]
+	if {$len>$max} {
 	    set max $len
-        }
+	}
     }
     return $max
 }
@@ -468,20 +468,24 @@ proc msgcat::Init {} {
     # First check registry value LocalName present from Windows Vista
     # which contains the local string as RFC5646, composed of:
     # [a-z]{2,3} : language
-    # -[a-z]{4}  : script (optional, not used)
+    # -[a-z]{4}  : script (optional, translated by table Latn->latin)
     # -[a-z]{2}|[0-9]{3} : territory (optional, numerical region codes not used)
     # (-.*)* : variant, extension, private use (optional, not used)
     # Those are translated to local strings.
-    # Examples: de-CH -> de_ch, sr-Latn-CS -> sr_cs, es-419 -> es
+    # Examples: de-CH -> de_ch, sr-Latn-CS -> sr_cs@latin, es-419 -> es
     #
     set key {HKEY_CURRENT_USER\Control Panel\International}
     if {([registry values $key "LocaleName"] ne "")
-	    && [regexp {^([a-z]{2,3})(?:-[a-z]{4})?(?:-([a-z]{2}))?(?:-.+)?$}\
+	    && [regexp {^([a-z]{2,3})(?:-([a-z]{4}))?(?:-([a-z]{2}))?(?:-.+)?$}\
 	    [string tolower [registry get $key "LocaleName"]] match locale\
-	    territory]} {
+	    script territory]} {
 	if {"" ne $territory} {
 	    append locale _ $territory
 	}
+	set modifierDict [dict create latn latin cyrl cyrillic]
+	if {[dict exists $modifierDict $script]} {
+	    append locale @ [dict get $modifierDict $script]
+	}
 	if {![catch {
 	    mclocale [ConvertLocale $locale]
 	}]} {
-- 
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