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Re: fret-diagram and barré with another finger on the same string
From: |
Carl Sorensen |
Subject: |
Re: fret-diagram and barré with another finger on the same string |
Date: |
Wed, 13 Mar 2019 15:11:37 +0000 |
User-agent: |
Microsoft-MacOutlook/10.10.7.190210 |
On 3/13/19, 3:00 AM, "David Kastrup" <address@hidden> wrote:
Carl Sorensen <address@hidden> writes:
> On 3/12/19, 6:42 AM, "Federico Bruni" <address@hidden> wrote:
> %\fret-diagram-terse "x;o;o;5-1-(;5-1;7-3-);" % this returns "Wrong
> type argument in position 1"
> }
>
> In order to have two indications on the same string (the end of the barre
plus another fret) you will need to use either the fret-diagram or the
fret-diagram-verbose format. fret-diagram-terse only handles one indication
per string.
Is that a restriction inherent in the format or in the code? The error
message (if you want to call it that) seems less than helpful. Like
when you are in a foreign country and ask your table neighbor to pass
the salt and they commit ritual suicide. Doesn't inspire confidence.
I think the limitation is inherent in the format. The markup argument in
question says the following:
Mute string 6.
Have string 5 open.
Have string 4 open.
Start a barre on string 3 at the fifth fret with the first finger.
Have the first finger press string 2 at the fifth fret.
Have the 3rd finger press string 1 at the seventh fret and end a barre there.
The error message comes from the inability to end a barre on the 7th fret since
there was never one started.
I agree that the error message is pretty abysmal; there is no error checking in
the fret-diagram-terse procedure, so you get whatever results from trying
inappropriate things.
I think there are two action items that result from this report. One is to
make clear in the documentation that only a single fret can be affected per
string in a fret-diagram-terse markup. Another is to at least put some
rudimentary error checking in fret-diagram-terse. I'll look into both.
Thanks,
Carl
Re: fret-diagram and barré with another finger on the same string, David Kastrup, 2019/03/13
- Re: fret-diagram and barré with another finger on the same string,
Carl Sorensen <=