indicates the degree of certainty or uncertainty associated with some aspect of the text markup. points at the elements whose markup is uncertain. indicates the precise location of the uncertainty in the markup: applicability of the element, precise position of the start- or end-tag, value of a specific attribute, etc. Suggested values include: 1] gi (element name); 2] startLoc (start location); 3] endLoc (end location); 4] location; 5] attrName (attribute name); 6] transcribedContent; 7] suppliedContent gi (element name) uncertain whether the element used actually applies to the passage. startLoc (start location) start-tag may not be correctly located. endLoc (end location) end-tag may not be correctly located. location both the start-tag and the end-tag may not be correctly located. attrName (attribute name) the value given for the attribute name is uncertain. transcribedContent the content of the element may not be a correct transcription of the source text. suppliedContent the content of the element may not have been correctly supplied by the reader, e.g. as in the cases of corr and abbrev elements. provides an alternative value for the aspect of the markup in question—an alternative generic identifier, transcription, or attribute value, or the identifier of an anchor element (to indicate an alternative starting or ending location). If an assertedValue is given, the confidence level specified by degree applies to the alternative markup specified by assertedValue; if none is given, it applies to the markup in the text. indicates conditions assumed in the assignment of a degree of confidence. indicates the degree of confidence assigned to the aspect of the markup named by the locus attribute. (responsibility) identifies the individual(s) responsible for some aspect of the markup of particular element(s). gives the identifier(s) of the element(s) for which some aspect of the responsibility is being assigned. indicates the specific aspect of the markup for which responsibility is being assigned. Suggested values include: 1] gi (element name); 2] location; 3] startLoc (start location); 4] endLoc (end location); 5] attrName (attribute name); 6] transcribedContent; 7] suppliedContent gi (element name) responsibility for the claim that the element is of the type indicated by the markup location responsibility for the claim that the element begins and ends where indicated startLoc (start location) responsibility for the claim that the element begins where indicated endLoc (end location) responsibility for the claim that the element ends where indicated attrName (attribute name) responsibility for the claim that the name attribute has the value given in the markup transcribedContent responsibility for the transcription of the element content suppliedContent responsibility for the contents supplied by the encoder (corrections, expansions of abbreviations, etc.) (responsible party) identifies the individual or agency responsible for the indicated aspect of the electronic text.