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readme: sligh re-wording of the "Unicode combining" chapter

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Daniel Eklöf 2020-05-02 19:57:18 +02:00
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@ -271,10 +271,11 @@ with the terminal emulator itself. Foot implements the following OSCs:
## Unicode combining
In order to handle combining characters, foot must store additional
data for each cell. By default, foot stores at most 2 combining
characters per cell. This adds 9 bytes of additional space to each
cell (that's 75% more space than without combining characters).
In order to handle combining characters (typically diacritics), foot
must store additional data for each cell. By default, foot stores at
most 2 combining characters per cell. This adds 9 bytes of additional
space to each cell, or 75% more space than without combining
characters).
You can configure the maximum number of characters to store for each
cell at **compile time** with
@ -282,11 +283,11 @@ cell at **compile time** with
**disables** unicode combining completely - **no** additional data is
stored.
Furthermore, in order to improve rendering of combining characters,
foot will by default try to convert base + combining characters to a
pre-composed character.
Furthermore, in order to improve the looks of the rendered combined
character,, foot will by default try to convert the base and combining
characters to a pre-composed character.
This will typically look better, since we can now render a single
This will typically look better since we can now render a single
glyph, the way the font designer intended it to be rendered. When
pre-composing fails, foot will fallback to storing the combining
character(s) separate from the base character, and will render the