Epsilon User's Manual and Reference >
Variable Reference >
must-build-mode: buffer-specific variable
Default value: 0
Epsilon "precomputes" most of the text of each mode line, so it
doesn't have to figure out what to write each time it updates the
screen. Setting this variable nonzero warns Epsilon that mode lines
must be rebuilt for all windows displaying this buffer. Epsilon resets
the variable to zero after every screen update.
Normal Buffer Display (Primitives)
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