/usr/share/a2ps/sheets/vhdl.ssh is in a2ps 1:4.14-1.1+deb7u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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written by "Thomas Parmelan <Thomas.Parmelan@efrei.fr>"
version is 1.2
requires a2ps version 4.9.7
documentation is
"Non-textual operators are not highlighted."
"Some logical operators are printed as graphical symbols"
"in the second level of pretty-printing."
end documentation
alphabets are
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_"
keywords in Keyword_strong are
abs, access, after, alias, all, and, architecture, array, assert,
attribute, begin, block, body, buffer, bus, "case", component,
configuration, constant, disconnect, downto, else, elsif, "end",
entity, exit, file, for, function, generate, generic, guarded, if,
inout, "in", "is", label, library, linkage, loop, map, mod, nand,
new, next, nor, not, null, of, on, open, or, others, out, package,
port, procedure, process, range, record, register, rem, report,
return, select, severity, signal, subtype, then, to, transport,
type, units, until, use, variable, wait, when, while, with, xor
end keywords
operators are
# Handling of Ada-like character literals
(/'(.)'/ "'" Plain, \1 String, "'" Plain)
end operators
keywords in Keyword are
std_ulogic, std_ulogic_vector, signed, unsigned
end keywords
optional keywords are
not \not,
or \vee,
and \wedge,
implies \Rightarrow
end keywords
sequences are
-- Comment,
# Strings (escaping is a` la ada, not as in C)
"\"" Plain String "\"" Plain
exceptions are
"\"\""
end exceptions,
# Protect the << ' >> of the attributes
/'[a-z][a-z_]*/ Plain /[^a-z_]/ Plain,
# Libraries
"library" Keyword_strong Label ";" Plain,
# Entities
/(entity|architecture|function)/ Keyword_strong
Label
/[ \t]*(is|of)/ Keyword_strong
end sequences
end style
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