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Supress empty <variables> tag in XML.

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Neil Fraser
2018-06-29 17:22:01 -07:00
committed by Neil Fraser
parent a4b2a990d5
commit 13f7e75ffb
1 changed files with 5 additions and 2 deletions
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7
core/xml.js
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@@ -44,8 +44,11 @@ goog.require('goog.dom');
*/
Blockly.Xml.workspaceToDom = function(workspace, opt_noId) {
var xml = goog.dom.createDom('xml');
xml.appendChild(Blockly.Xml.variablesToDom(
Blockly.Variables.allUsedVarModels(workspace)));
var variablesElement = Blockly.Xml.variablesToDom(
Blockly.Variables.allUsedVarModels(workspace));
if (variablesElement.hasChildNodes()) {
xml.appendChild(variablesElement);
}
var comments = workspace.getTopComments(true);
for (var i = 0, comment; comment = comments[i]; i++) {
xml.appendChild(comment.toXmlWithXY(opt_noId));