src/main/java/org/apache/sling/scripting/jsp/jasper/compiler/Generator.java [2558:2580]:
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            if (n.getCustomNestingLevel() == 0) {
                return;
            }

            TagVariableInfo[] tagVarInfos = n.getTagVariableInfos();
            VariableInfo[] varInfos = n.getVariableInfos();
            if ((varInfos.length == 0) && (tagVarInfos.length == 0)) {
                return;
            }

            if (varInfos.length > 0) {
                for (int i = 0; i < varInfos.length; i++) {
                    if (varInfos[i].getScope() != scope) {
                        continue;
                    }
                    // If the scripting variable has been declared, skip codes
                    // for saving and restoring it.
                    if (n.getScriptingVars(scope).contains(varInfos[i])) {
                        continue;
                    }
                    String varName = varInfos[i].getVarName();
                    String tmpVarName = "_jspx_" + varName + "_"
                            + n.getCustomNestingLevel();
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src/main/java/org/apache/sling/scripting/jsp/jasper/compiler/Generator.java [2622:2644]:
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            if (n.getCustomNestingLevel() == 0) {
                return;
            }

            TagVariableInfo[] tagVarInfos = n.getTagVariableInfos();
            VariableInfo[] varInfos = n.getVariableInfos();
            if ((varInfos.length == 0) && (tagVarInfos.length == 0)) {
                return;
            }

            if (varInfos.length > 0) {
                for (int i = 0; i < varInfos.length; i++) {
                    if (varInfos[i].getScope() != scope) {
                        continue;
                    }
                    // If the scripting variable has been declared, skip codes
                    // for saving and restoring it.
                    if (n.getScriptingVars(scope).contains(varInfos[i])) {
                        continue;
                    }
                    String varName = varInfos[i].getVarName();
                    String tmpVarName = "_jspx_" + varName + "_"
                            + n.getCustomNestingLevel();
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