pubmed_230101.dtd: linebreak attribute

Attribute: linebreak

In <mml:mspace>

linebreak (auto|newline|nobreak|goodbreak|badbreak|indentingnewline) #IMPLIED

In <mml:mstyle>

linebreak (auto|newline|nobreak|goodbreak|badbreak) #IMPLIED

In <mml:mo>

linebreak (auto|newline|nobreak|goodbreak|badbreak) #IMPLIED

In <mml:math>

linebreak (auto|newline|nobreak|goodbreak|badbreak) #IMPLIED