Language reference : Base architecture : DITAVAL elements : alt-text
   
alt-text
An element allowed inside either startflag or endflag to provide alternate text for an image when the imageref attribute sets an image to be used for flagging. When no alternate text is specified for a revision flag, the default alternate text for revprop start of change is a localized translation of "Start of change", and the default alternate text for revprop end of change is a localized translation of "End of change".
Contains
text data
Contained by
startflag, endflag
Example 202. Example
See the example in the <val> description.