SystemXS said:
Adding an explicit "single" or "one" is used for tags that are assumed to/commonly occur in pairs, like socks and gloves.
There's nothing to be gained from adding it to the arm(s)_up tags.
I disagree with you. I'll explain, by repeating and elaborating what I already said. Please read it.
Most tags are singular nouns
We have the rule of standardizing the majority of noun tags on the singular form (forum #14788), while we know most of these can actually represent any quantity. When I see a tag "book", my automatic conclusion could be accurately translated as "there must be any number of books in this image". If 3 books are drawn together and tagged book, it would be perfectly natural.
Arm/arms distinction
Tags of arms and hands are different in that they are separated into "singular only"/"plural only" tags, this way:
...but I don't think we should merely rely on the presence or lack of the final -s for this purpose, per the aforementioned example of "book".
If the tag is singular and unexplained, it usually implies that any quantity is acceptable. In fact, all these tags have posts that fit only their counterpart.
For example, post #1036964 depicts multiple mechanical arms and is tagged mechanical arm. Why shouldn't it?
Danielx21 said:
The current names "arm up" and "arms up" aren't equivalent to each other, but really seem to be. (much like "book"/"books", "glove"/"gloves", etc.) One must read the wiki of arm up to understand accurately its purpose.
Oneness
The examples I gave ("single sock", "single glove") were deliberately of things always expected to come in pairs. If some drawn girl is wearing only one sock, she is assymetrycal, she is conpicuous, she draws attention; thus, that "oneness" should be taggable.
Differently, raised arms ("arms up") commonly come in pairs, but are not expected to. If some girl is with only one hand raised, she does not look assymetrical, that "oneness" is not conspicuous. Yet, we still tag it as a notable posture.
What single arms up and single gloves have in common is that their oneness is taggable, not that they are expected to be in pairs always. My reasoning is: "If the oneness is taggable, it should always be mentioned in the tag name by a word such as 'single' or 'one', whichever is the most appropriate; otherwise, people who don't know or don't remember the wiki are very likely to make mistakes when reading, searching or tagging with that tag โ even if many other people are active in the forums and already have the discipline and interest to remember well quirks like 'but just this tag works differently'."
A list of tags
Assuming we want to keep this important distinction of singular/plural among all tags of arms (I, personally, would prefer merging some of them instead, maybe in a different discussion) and that the tags are renamed according to my arguments, they would work this way:
- single_arm_up
- (because "arm up" could include posts with both arms raised, too; in fact, post #1042246 and many other posts depict both arms raised and are tagged arm up... that feels completely natural when I ignore the wiki and the related discussions)
- single_outstretched_arm
- ("outstretched arm" could include posts with both arms stretched out, too; and it does)
These are some good precendents, followed by the same short analyses.