with(Worksheet);

$\left[\mathrm{Comparator}\,\mathrm{Convert}\,\mathrm{Display}\,\mathrm{DisplayFile}\,\mathrm{FromString}\,\mathrm{ReadFile}\,\mathrm{ToString}\,\mathrm{WorksheetToMapleText}\,\mathrm{WriteFile}\,\mathrm{worksheet}\right]$

wname := FileTools:-JoinPath([kernelopts(mapledir), "examplesclassic","WorksheetPackage.mws"]):

doc := ReadFile(wname):

doc2 := ReadFile(wname, format = "maple8_xml"):

# Display(doc);

# Display(doc2);

doc3 := Convert(doc, format="maple8_xml"):

evalb(doc2 = doc3);

$\mathrm{false}$

l := XMLTools:-Compare(doc2, doc3);

$l:=\left[1\,3\,1\,2\,1\,2\,1\right]$

if l <> [] then [op(l[1..-3], doc2), op(l[1..-3], doc3)] end if;

$\left[\mathrm{\_XML\_Attribute}\left(\mathrm{\_XML\_AttrName}\left(''major''\right)\&comma;\mathrm{\_XML\_AttrValue}\left(''6''\right)\right)\&comma;\mathrm{\_XML\_Attribute}\left(\mathrm{\_XML\_AttrName}\left(''major''\right)\&comma;\mathrm{\_XML\_AttrValue}\left(''12''\right)\right)\right]$

str := ToString(doc, format = "mws"):

XMLTools[FirstChild](doc);

$\mathrm{\_XML\_Text}\left(''''\right)$

XMLTools[SecondChild](doc);

$\mathrm{\_XML\_Element}\left(\mathrm{\_XML\_ElementType}\left(''Version''\right)\&comma;\left[\mathrm{\_XML\_Attribute}\left(\mathrm{\_XML\_AttrName}\left(''major''\right)\&comma;\mathrm{\_XML\_AttrValue}\left(''12''\right)\right)\&comma;\mathrm{\_XML\_Attribute}\left(\mathrm{\_XML\_AttrName}\left(''minor''\right)\&comma;\mathrm{\_XML\_AttrValue}\left(''0''\right)\right)\right]\&comma;\left[\right]\right)$

XMLTools[AttributeTable](%);

$\mathrm{table}\left(\left[''major''\&equals;''12''\&comma;''minor''\&equals;''0''\right]\right)$

XMLTools[ThirdChild](doc);

$\mathrm{\_XML\_Text}\left(''''\right)$

XMLTools[ElementStatistics](doc);

$\left[''View-Properties''\&equals;1\&comma;''Label-Scheme''\&equals;1\&comma;''Version''\&equals;1\&comma;''Task''\&equals;1\&comma;''Styles''\&equals;1\&comma;''Worksheet''\&equals;3\&comma;''Section''\&equals;4\&comma;''Title''\&equals;6\&comma;''Equation''\&equals;10\&comma;''Output''\&equals;10\&comma;''Hyperlink''\&equals;21\&comma;''Layout''\&equals;24\&comma;''Input''\&equals;26\&comma;''Group''\&equals;26\&comma;''Text-field''\&equals;45\&comma;''Font''\&equals;112\right]$

XMLTools[ContentModelCount](doc);

$27$