virtual syntax

[Emanuel Berg]

Can you configure Emacs to on the fly produce and show
a virtual syntax, e.g. one isn't happy with the zsh's

  local var=darn_ugly_syntax

so you instead make Emacs recognize the form

  ^local .*=.*

[ let's test that

  (string-match "^local .*=.*" "local var=darn_ugly_syntax") ; 0

OK ]

so when that happens Emacs shows the file as something it
isn't, in this case it would/should be

  local var = darn_ugly_syntax # not anymore

possible?

Question: why does zsh has that ugly syntax to begin with?
answer, without it, for example x = 1 is ambiguous b/c it can
be either an assignment to the var x OR it can be a function
with the first argument passed the equals sign! See?
Because obviously you can't have ambiguous computing!

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