Messages
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Explanations of some error messages.

"Found constant "x" which is also a variable."

This is the error for detecting missing $. This is also a common
source for false errors. Typically with commands that use call-by-
name, or when using simple variable names. For example, this will give
such a message: $w configure -anchor w If the constant is within
quotes no warning is issued so in the example above you can get rid of
it by doing -anchor "w".

"Could not complete statement."

A valid end of this statement could not be found. This means that a
brace, quote or bracket is missing. The message may be followed by
extra info that can help figure out what happened.

"Close brace not aligned with line <l> (<i1> <i2>)"

It is assumed that a close brace is indented equally to the line where
its corresponding open brace is (line <l>). The open brace's indent
level is <i1> and the close brace's <i2>. This error may indicate a
brace mismatch, an indentation slip or just that you have a different
indentation style.

"Found non indented close brace that did not end statement. This may
indicate a brace mismatch."

A close brace that is not indented should normally end the preceding
statement. See also above.

"Close brace first in statement."

A close brace was seen where a command should start. Typically a brace
mismatch.
