fix indentation code to honour deep indents

diff --git a/tcvJSON.tcl b/tcvJSON.tcl
index a0edff4..7b6d382 100755 (executable)
--- a/tcvJSON.tcl
+++ b/tcvJSON.tcl
@@ -194,6 +194,11 @@ proc tcvJSON::unparse {thing args} {
 
     if {[llength $args] > 0} {
         set indent [lindex $args 0]
+        if {[llength $args] > 1} {
+          set indentIncr [lindex $args 1]
+        } else {
+          set indentIncr $indent
+        }
     }
 
     switch -- $type {
@@ -201,7 +206,7 @@ proc tcvJSON::unparse {thing args} {
             append output "\[\n[string repeat " " $indent]"
             set tmp {}
             foreach element [lrange $thing 1 end] {
-                lappend tmp [unparse $element [expr {$indent + $indentIncr}]]
+                lappend tmp [unparse $element [expr {$indent + $indentIncr}] $indentIncr]
             }
             append output [join $tmp ",\n[string repeat " " $indent]"]
             append output "\n[string repeat " " [expr {$indent - $indentIncr}]]\]"
@@ -213,7 +218,7 @@ proc tcvJSON::unparse {thing args} {
             for {set i 1} {$i < [llength $thing]} {incr i} {
                 set key [lindex $thing $i]
                 set value [lindex $thing [incr i]]
-                lappend tmp "\"$key\": [unparse $value [expr {$indent + $indentIncr}]]"
+                lappend tmp "\"$key\": [unparse $value [expr {$indent + $indentIncr}] $indentIncr]"
             }
             append output [join $tmp ",\n[string repeat " " $indent]"]
             append output "\n[string repeat " " [expr {$indent - $indentIncr}]]\}"