Luis Mendes <luisXXXlupeXXX@gmail.com> wrote:

My attempt to string map [ to the corresponding html code have failed,
like:

string map " {[} {&#91;} " $descr
string map { "[" "&#91;" } $descr

Also tried to escape the [, but to no success.

How can it be done?

Although your followup implies you no longer need the answer to this,
the way "to do it" is to feed a proper list to string map:

string map [list \[ "&#91;"] $descr

It is usually more difficult to try to create lists using "" or {} than
to just let the [list] command do so. In either of the first cases,
you have to have a very good internal understanding of what to quote
(and not to quote) to make the list correct. Using [list], it will
handle those details for you automatically.

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Luis Mendes <luisXXXlupeXXX@gmail.com> wrote:

On 02 May 2024 12:22:33 GMT, Luis Mendes wrote:
Upon further investigation, it seems that the problem doesn't happen
because of the [, but because of quotes.
I could already do the string map mentioned in the previous post.

If I try `set descr "\"changed\": false"
it breaks wapp.
The error returned is:
ERROR: extra characters after close-quote.

What if you escape actual quotes into the html &quot; escape?

string map [list \" "&quot;"] $your_variable

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Luis Mendes <luisXXXlupeXXX@gmail.com> wrote:

On Thu, 2 May 2024 14:01:12 -0000 (UTC), Rich wrote:

Luis Mendes <luisXXXlupeXXX@gmail.com> wrote:

On 02 May 2024 12:22:33 GMT, Luis Mendes wrote:
Upon further investigation, it seems that the problem doesn't happen
because of the [, but because of quotes.
I could already do the string map mentioned in the previous post.

If I try `set descr "\"changed\": false"
it breaks wapp.
The error returned is:
ERROR: extra characters after close-quote.

What if you escape actual quotes into the html &quot; escape?

string map [list \" "&quot;"] $your_variable

Wapp doens't break, but then the &quot; is not interpreted back to a "
when rendered in html.

I've substituted " by ' and it works, although not as accurate.
Thank you.

Then you might try escaping the quotes:

string map [list \" \\\"] $your_variable

And see if Wapp handles \" within the string properly.

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