s. In the second line, the character-variant option for large apostrophe-like letters is set. The entire phrase is bracketed by left and
right single quotation marks.|class=skin-invert-image The letter turned comma is encoded at , in the
Spacing Modifier Letters Unicode block. In Unicode code charts, the
representative glyph used for U+02BB looks identical to that used for the , but this is not true for all fonts. The primary practical difference between the 'letter turned comma' and 'left single quotation mark' is that the 'letter turned comma' is
defined in Unicode as a
modifier letter [a letter or symbol typically written next to another letter that it modifies in some way] whereas 'left single quotation mark' is defined a type of punctuation mark and an opening
quotation mark. For human readers, the difference is imperceptible and unimportant but it has significance in
text processing applications. ==Use==