/usr/share/mc/syntax/aspx.syntax is in mc-data 3:4.8.3-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | # ASP.NET syntax highlighting
#
# Author: Juan C. Olivares <juancri@juancri.com>
# http://www.juancri.com
context default
keyword "*" lightgray
keyword '*' lightgray
spellcheck
context <!-- --> brightgreen
spellcheck
context <! > yellow
keyword '+' brightcyan
keyword "+" brightcyan
keyword \( lightgray
keyword \) lightgray
keyword \* lightgray
keyword \? lightgray
keyword \+ lightgray
keyword \| lightgray
keyword \, lightgray
spellcheck
context <% %> brightgreen
keyword Application white
keyword Assembly white
keyword Control white
keyword Implements white
keyword Import white
keyword Inherits white
keyword OutputCache white
keyword Page white
keyword Reference white
keyword Register white
keyword WebService white
keyword \s+\= yellow
keyword '*' brightcyan
keyword "*" brightcyan
spellcheck
context < > white
keyword \s+\= yellow
keyword "server" brightgreen
keyword '*' brightcyan
keyword "*" brightcyan
spellcheck
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