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Wed, 19 Dec 2018 21:56:11 -0800 (PST) Received: from [192.168.1.100] ([5.232.135.202]) by smtp.gmail.com with ESMTPSA id l14sm19102440wrp.55.2018.12.19.21.56.09 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 19 Dec 2018 21:56:10 -0800 (PST) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Message-ID: <2878ca6d-61dd-166f-b32a-c7c727360b31@gmail.com> Date: Thu, 20 Dec 2018 09:26:08 +0330 Reply-To: Mailing list for the LaTeX3 project Sender: Mailing list for the LaTeX3 project From: Tisha Shusho Subject: Ambiguity in using some functions. 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To cover the transition, we provide the older names here for a limited period (until the end of019)." Does this mean one should avoid using functions such as "\etex_iffontchar:D"? If yes, are there any alternative to such commands? Furthermore, in "The expl3 package and LaTeX3 programming" document it says (on page 7, Released 2018-12-12): "D This means: Do not use. This special case is used for TEX primitives. Programmers outside the kernel team should not use these functions!" Again, which function should a programmer who is not a member of kernel team use instead of "\etex_iffontchar:D"? Thanks, Tisha