[patch] adding a missing bracket to the manual

[Benno Schulenberg]

In the Info document of bash-4.4-beta it says:

    cd [-L|[-P [-e]] [-@] [DIRECTORY]

which is missing a closing bracket somewhere.

On the man page and in 'help cd' it says:

    cd [-L|[-P [-e]] [-@]] [dir]

At first glance this seems to say that -@ can only be used
when also -L is used.  On closer reading this is of course
not so, but the brackets being so wide apart makes this
somewhat hard to parse.

So I would suggest the following instead:

    cd [-L]|[-P [-e]] [-@] [dir]

Of course it is somewhat silly to have "optional | optional",
but this way it is much clearer to me that -@ is independent
and also a bit clearer that -e only goes with -P.

Attached patch makes the proposed change.

(I may have patched a wrong file, though -- it's unclear to me
why generated files are in the git repo.)

Benno

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0001-cd-add-a-missing-bracket-to-the-synopsis-in-the-Info.patch
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