There are special characters used e.g. for marking editorial changes in transcriptions of manuscript texts, and for marking the vowel height in Japanese transliterations.
I could need them in both contexts.
They look basically like only the upper halves of [ and of ].
But the only kind I found so far are ⌈ and ⌉, used in math, and 「 and 」, which are Japanese quotation marks.
Both these are a bit taller than what I was searching for, and 」 is also upside down.
I would therefore use ⌈ and ⌉ if there is nothing closer to be found (I only need them for private purposes at the moment anyway, and technically for some historical poetry to add to LT), but they also have the disadvantage that one of the programs in which I want to use them (namely Anki) doesn't show them, no matter which font I choose. Does anyone have an idea what could be the reason for that?
Libre Office does show them, at least in its default font Liberation Serif.