v0.4: fixed default value validation for v3

armagedec.tcl

@@ -7,7 +7,7 @@
 
 package require Tk
 
-set appversion 0.2
+set appversion 0.4
 set scriptpath [file normalize [info script]]
 set appdir [file dirname $scriptpath]
 # check if we're running from a starpack
@@ -359,9 +359,9 @@ proc fullscanscheme {version} {
     if {$size eq 1} {set fmt cu}
     if {$size eq 2} {set fmt s}
     if {$size eq 4} {set fmt i}
-    catch {
-      binary scan [string range $rawschemedata [expr {$offs + $size}]] $fmt wscval
-    }
+    set newval ""
+    binary scan [string range $rawschemedata $offs [expr {$offs + $size}]] $fmt newval
+    if {$newval ne ""} {set wscval $newval}
     if {([llength $valopt] > 1) && ([lindex $valopt 0] eq "spec")} {
       set readfunc "[lindex $valopt 1]_read"
       set wscval [$readfunc $wscval]
@@ -427,7 +427,7 @@ proc savescheme {fname} {
   if {$diffbytes > 0} { # expand with nulls
     set rawschemedata [string cat $rawschemedata [binary format x$diffbytes]]
   } else { # truncate
-    set rawschemedata [string range $rawschemedata 0 [expr {$datasize - 1}]
+    set rawschemedata [string range $rawschemedata 0 [expr {$datasize - 1}]]
   }
   # write the version itself 
   set binval [binary format cu $wsc_data(version)]