Otherwise, TASM would simply convert all EXTRN declarations in those
files to uppercase. Then, the linker would expect them in uppercase,
forcing both the case-sensitive big 32-bit .ASM files *and* the entire
C land to declare them as uppercase as well.
For functions with __pascal convention which are always uppercased
anyway, this makes no difference. It does matter for regular __cdecl
variables, though, and the C declaration of [score_delta] in e6294c2
already showed that we'd then be forced to use macros if we wanted to
pretend that these names still had lowercase characters.
Doing this for every variable referenced in both C land and 16-bit ASM
land gets annoying quickly. So, no need to force this inconsistency if
we can get rid of it by slightly uglifying ASM land.
Part of P0089, funded by [Anonymous] and Blue Bolt.
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