[selector] allow inplace operator in selector computation Intended to facilitate overriding of existing selectors chain in view declaration. It make the code shorter and clearer when you've to import long module pathnames

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function set_tab(tabname, cookiename) {

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    // set appropriate cookie

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    asyncRemoteExec('set_cookie', cookiename, tabname);

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    // trigger show + tabname event

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    trigger_load(tabname);

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}