What's the unicode glyph used to indicate combining characters?

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My application needs to display "orphaned" combining characters. I would like to use the same format as the "official" unicode charts, using the dotted circl

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梦毁少年i

2021-02-07 19:47

Just tried this: create a blank .html file, copy the text, and load in Firefox. Displays as expected (although I really didn't expect space+combining character to display correctly):

<html>
<body>
<font size="24pt">
&#x25CC;&#x0300;
&#x25CC;&#x0301;
&#x25CC;&#x0302;
&#x25CC;&#x0303;
<br/>
&#x0041;&#x0300;
&#x0041;&#x0301;
&#x0041;&#x0302;
&#x0041;&#x0303;
<br/>
&#x0020;&#x0300;
&#x0020;&#x0301;
&#x0020;&#x0302;
&#x0020;&#x0303;
</font>
</body>
</html>

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南旧

2021-02-07 20:03

I don't think there is an official placeholder character. The way I read that note, they chose U+25CC arbitrarily, purely for display purposes. Then, in the chart where the "real" dotted circle is listed, they made it a little larger to emphasize that it's not being used as a placeholder there. (Or maybe they shrunk it in the other charts; as you said, the note's poorly worded.)

Whatever the case, I don't see any reason not to use U+25CC as your placeholder.

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