This page lists the forms in MAM's documentation notes that use plus notation or double guillemets.

In plus notation, two sets of marks on one letter are shown by writing the letter twice, joined by a plus sign, with one set of marks on each copy.

MAM-basics' near-Aleppo example edition has some marks on an artificial carrier letter between double guillemets (« »). MAM's notes sometimes quote a form between single guillemets (‹ ›); those are different characters and do not count here.

In some forms, one letter has so many marks that not every font can show it legibly. A note that gives such a font-stressing form should, as a rule, also give a form that does not stress the font: “plus” notation when a mark's owner is clear, or an artificial carrier letter (alef, vav or dalet) between double guillemets when a mark has no owner or its owner is unclear. A “plus” or guillemets form may stand alone. Sometimes only the guillemets form is desirable: a font-stressing form can imply that a mark belongs to the letter it sits on, and where no such implication is wanted, the guillemets form stands alone. The note's prose, which usually describes the marks as well, is a further backup.

# double-guillemets: Immediately below, all 2 are shown.

«אֻ»בָנַ֔יִכי	2K4:7
לָ«אֶ»שׁ֥וֹן	Pr6:24

# plus: Immediately below, all 14 are shown.

זֶ֠+ז֞ה	G5:29
רְאוּבֵ֔+ב֗ן	G35:22
תִּֿרְצַ֖+צָֽח	E20:12
תִּ+תְּירָא֑וּם	D3:22
לִֽקְ+קִחִי־נָ֥א	1K17:11
שֻׁ֠+ש֜בוּ	2K17:13
[אֵ]שֵ֥נַיְ+יֵהֶ֖ם	2K18:27
וּ֜+וּ֠לְאֵלֶּה	Ee48:10
וּ֜+וּ֠לְאֵ֜לֶּה	Ee48:10
זֹ֠+ז֞את	Ts2:15
הִֽשְׁ+שִׁחִ֗יתוּ	Ps14:1
הִֽתְ+תִעִ֥יבוּ	Ps14:1
הִֽ֝שְׁ+שִׁחִ֗יתוּ	Ps53:2
וְהִֽתְ+תִעִ֥יבוּ	Ps53:2