*
*	Messages for the vc command.
*
-1
"unknown command on line ..."
The line given begins with a control character,
but the command is not a legal one.
-2
"`...' never used"
The given keyword name was never used in any replacements.
This is only a warning.
-3
"`...' never declared"
The given keyword name never occured in a `dcl'
statement. If you did declare it, check for typos.
This is only a warning.
-4
"`If' with no matching `end'"
There is a missing `end' statement,
or an extra `if' statement.
-5
"`...' declared twice on line ..."
The named keyword has been redeclared 
on the indicated line.
-6
"out of space"
A maximum of 40 keywords per invocation of vc are allowed.
This limit has been exceeded.
-7
"unmatched `:' on line ..."
On the given line there is no control character
to indicate the end of the keyword name. 
-8
"keyword name too long on line ..."
On the indicated line a keyword name exceeds nine characters.
-9
"invalid keyword name on line ..."
On the indicated line the keyword name does not
start with an alphabetic character, or does not contain
only alphanumeric characters.
-10
"`end' without matching `if' on line ..."
There is an extra `end' statement or a missing
`if' statement.
-11
"parenthesis error on line ..."
A left parenthesis occured with no matching right
parenthesis or a parenthesis was found where it was not expected.
-12
"invalid operator on line ..."
An unrecognized operator was found.
The legal operators are `!=', `=', `<', and `>'.
-14
"non-numerical value on line ..."
On the indicated line an attempt was made to compare 
a string which contains non-numeric characters with another
string using the `<' or `>' operator.
-15
"err statement on line ..."
The user has put an `err' statement on the given line.
-16
"out of space [line ...]"
The indicated line requires too many replacements.
Currently, only 32 replacements per line are allowed.
-17
"syntax on line ..."
The equal sign has been left out of an `asg' statement,
or the right side of an `asg' statement is missing.
-18
"syntax on line ..."
The syntax for the `if' statement on
the indicated line is incorrect.
An `&' or an `|' occurred in the wrong
place, or were not found when they were expected.
-19
"syntax on line ..."
There is something strange about the indicated line.
-20
"`...' never assigned a value"
The given keyword name was never used in an assignment statement.
This is only a warning.
