Do not rely on dicts.merge to change target
Also make dicts.merge actually not touch target. This is much cleaner
than modifying in place, especially since we assign the result of the
dicts.merge call to target most of the time anyway.
Patch by: Sverre Rabbelier
tinyMCE.addI18n('en.advanced',{
style_select:"Styles",
font_size:"Font size",
fontdefault:"Font family",
block:"Format",
paragraph:"Paragraph",
div:"Div",
address:"Address",
pre:"Preformatted",
h1:"Heading 1",
h2:"Heading 2",
h3:"Heading 3",
h4:"Heading 4",
h5:"Heading 5",
h6:"Heading 6",
blockquote:"Blockquote",
code:"Code",
samp:"Code sample",
dt:"Definition term ",
dd:"Definition description",
bold_desc:"Bold (Ctrl+B)",
italic_desc:"Italic (Ctrl+I)",
underline_desc:"Underline (Ctrl+U)",
striketrough_desc:"Strikethrough",
justifyleft_desc:"Align left",
justifycenter_desc:"Align center",
justifyright_desc:"Align right",
justifyfull_desc:"Align full",
bullist_desc:"Unordered list",
numlist_desc:"Ordered list",
outdent_desc:"Outdent",
indent_desc:"Indent",
undo_desc:"Undo (Ctrl+Z)",
redo_desc:"Redo (Ctrl+Y)",
link_desc:"Insert/edit link",
unlink_desc:"Unlink",
image_desc:"Insert/edit image",
cleanup_desc:"Cleanup messy code",
code_desc:"Edit HTML Source",
sub_desc:"Subscript",
sup_desc:"Superscript",
hr_desc:"Insert horizontal ruler",
removeformat_desc:"Remove formatting",
custom1_desc:"Your custom description here",
forecolor_desc:"Select text color",
backcolor_desc:"Select background color",
charmap_desc:"Insert custom character",
visualaid_desc:"Toggle guidelines/invisible elements",
anchor_desc:"Insert/edit anchor",
cut_desc:"Cut",
copy_desc:"Copy",
paste_desc:"Paste",
image_props_desc:"Image properties",
newdocument_desc:"New document",
help_desc:"Help",
blockquote_desc:"Blockquote",
clipboard_msg:"Copy/Cut/Paste is not available in Mozilla and Firefox.\r\nDo you want more information about this issue?",
path:"Path",
newdocument:"Are you sure you want clear all contents?",
toolbar_focus:"Jump to tool buttons - Alt+Q, Jump to editor - Alt-Z, Jump to element path - Alt-X",
more_colors:"More colors"
});