there are many more xhtml strict problems in Journal mod, I guess nobody worked on that because it is not fully supported anymore 
from report.php:
line 118 column 41 - Error: there is no attribute "valign"
line 120 column 22 - Error: there is no attribute "width"
line 120 column 260 - Error: there is no attribute "nowrap"
line 120 column 308 - Error: there is no attribute "size"
line 120 column 311 - Error: element "font" undefined
line 126 column 26 - Error: element "font" undefined
line 126 column 118 - Error: there is no attribute "wrap"
line 126 column 179 - Error: there is no attribute "clear"
line 126 column 186 - Error: document type does not allow element "br" here; missing one of "p", "h1", "h2", "h3", "h4", "h5", "h6", "div", "pre", "address", "fieldset", "ins", "del" start-tag
line 130 column 324 - Error: element "font" undefined
line 136 column 26 - Error: element "font" undefined
line 136 column 185 - Error: document type does not allow element "br" here; missing one of "p", "h1", "h2", "h3", "h4", "h5", "h6", "div", "pre", "address", "fieldset", "ins", "del" start-tag
line 141 column 64 - Error: document type does not allow element "br" here; missing one of "p", "h1", "h2", "h3", "h4", "h5", "h6", "div", "pre", "address", "fieldset", "ins", "del" start-tag
line 146 column 64 - Error: document type does not allow element "br" here; missing one of "p", "h1", "h2", "h3", "h4", "h5", "h6", "div", "pre", "address", "fieldset", "ins", "del" start-tag
line 147 column 7 - Error: element "center" undefined
Dongsheng, can you determine if this can be implemented?