[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#61281: “`(a \, b)” equals to “`(a . , b)”
From: |
Drew Adams |
Subject: |
bug#61281: “`(a \, b)” equals to “`(a . , b)” |
Date: |
Tue, 7 Feb 2023 18:00:50 +0000 |
> In clisp, backquote is implemented via system::backquote,
> system::unquote and system::splice. Thus the symbol |,|
> has no special meaning.
If the symbol |,| has no special meaning inside backquote
then that answers my question.
Still, could you please show these uses of bare "\,"
explicitly?
$ clisp -q -x '`\,'
$ clisp -q -x '`(\, x)'
You showed the following, which are not in question.
Elisp does the same thing for these - it (correctly)
reads "\,X" as the symbol named ",X", even inside
backquote sexps.
>> $ clisp -q -x ',X'
>> *** - READ: comma is illegal outside of backquote
>> $ clisp -q -x '\,X'
>> *** - SYSTEM::READ-EVAL-PRINT: variable |,X| has no value
>>
>> $ clisp -q -x '`\,X'
>> |,X|
It's only _bare_ "\," that Elisp treats the same
as an unescaped comma (","), provoking eval of
what follows it. What does clisp do for bare "\,"
(i.e., not immediately followed by symbol chars)?
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, (continued)
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Drew Adams, 2023/02/05
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Ihor Radchenko, 2023/02/06
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Drew Adams, 2023/02/06
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Michael Heerdegen, 2023/02/06
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Michael Heerdegen, 2023/02/06
- bug#61281: Double backquote expansion and ", " (was: bug#61281: “`(a \, b)” equals to “`(a . , b)”), Ihor Radchenko, 2023/02/07
- bug#61281: Double backquote expansion and ", ", Michael Heerdegen, 2023/02/07
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Andreas Schwab, 2023/02/06
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Drew Adams, 2023/02/06
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Andreas Schwab, 2023/02/07
- bug#61281: “`(a \, b)” equals to “`(a . , b)”,
Drew Adams <=
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Michael Heerdegen, 2023/02/07
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Drew Adams, 2023/02/07
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Andreas Schwab, 2023/02/08
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Michael Heerdegen, 2023/02/08
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Drew Adams, 2023/02/08
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Michael Heerdegen, 2023/02/08
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Andreas Schwab, 2023/02/08
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Jim Porter, 2023/02/05
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Michael Heerdegen, 2023/02/05
- bug#61281: “`(a \, b)” equals to “`(a . , b)”, Michael Heerdegen, 2023/02/05