Definition of "hacheck"

Negoit,a^, C.V. (Constantin Vergil) [t-cedilla, a-hacheck(inverted ^)]

1990 June 3rd, William Ricker, sci.math, “Re: Fuzzy Logic Introduction?”, (see the original message)

My great grandfather…came to US about 1890 from Bohemia. His name was Josef Rudolf Zajic. (the “i” has a hacheck).

1998 February 7th, Robert J. Zietz, soc.genealogy.slavic, “Zajic Surname”, (see the original message)

Some of the pre-revolutionary letters are still used in Belorussian like the “i”, the “i” with a hacheck above and either Belorussian or Ukrainian use a “y” and a “y” with a hacheck above which was droped from Russian long ago.

2001 February 12th, pritchard-da, sci.lang, “Re: Pre-1918 Russian Alphabet Questions for Today”, (see the original message)

In my efforts to get The House of Habsburg on line, I have discovered I don’t know how to add hacheck (spelling) accents to c’s for some of the town names in Czech.

2005 September 5th, Dan Willis, alt.talk.royalty, “accent marks in html”, (see the original message)