Specify the nature of the event. Name the honoree, if any. Date, time , place, directions [ if necessary ] RSVP , and if gifts are not wanted, at the bottom No gifts, please.
Her failure to respond to the invitation showed a lack of etiquette.
If you received an invitation to the wedding then you do not need to bring the invitation to prove you were invited. If you never received an invitation to the wedding then it is not etiquette to attend the wedding and you would be considered crashing the wedding.
Yes. It is proper etiquette, although it is also common for them to decline (but that probably depends on your relationship with him/her).
* Whether some guests are going to a wedding or not it is etiquette to send them a wedding invitation as some people are sentimental and will keep the invitation.
Bring a card or small token gift.
Yes. Very.
Put BYOB [bring your own bottle, or booze ] on the invitation.
The etiquette for the groom's parents who have different last names would be: ... to John Doe, Jr. son of Mr. John Doe and Mrs. Mary Smith .....
There is a very informative website that addresses your question regarding second marriage invitation etiquette. The website is http://www.idotaketwo.com/wedding_invitations.html, you will find exactly what you are looking for.
There are many websites helpful in creating invitation wording for events such as weddings and parties. Wilton dot com has information on proper etiquette for invitations. Libraries would also have a helpful selection as would event planners.
Steven L. Feinberg has written: 'Crane's wedding blue book' -- subject(s): Invitation cards, Wedding etiquette
It is only etiquette if you have contacted the host or hostess to let them know you will accept the dinner invitation, but you will have to leave on the early side to attend another function. If you accepted the dinner invitation and later the other function came up then it is rude not to stay for the dinner and leave early.