item/@amg:lang missing. needed ?

[ksridhar]

Is it needed ?

• occurs in the input at https://github.com/amagimedia/amgrss-xslts/blob/23dc4cdae1cd30fa8010797aac7570f433f7fa2a/tests/test_input_data/b7d3b16a-1.xml#L35
• occurs in output at https://github.com/amagimedia/amgrss-xslts/blob/23dc4cdae1cd30fa8010797aac7570f433f7fa2a/tests/test_output_data/amgrss_b7d3b16a-1.xml#L11

[ksridhar]

Added/corrected in 9147e1a956f4ab8d5fa0d64454f0bebc8e67a96f