Chris Clemens
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As you stated, the code says to omit arrows from vectors if both bold type and arrows are used in the construction, unless the author calls special attention to them. I would say in this case that the arrows should be retained.
Sec. 35 of the Nemeth code says the use of 456 before operation or comparison signs to indicate boldface is limited to those signs provided for in the Code. Rule XIX provides for boldface plus and minus signs [braille]_+ and [braille]_-. Rule XX provides for boldface equal sign [braille]_.k
I am looking into the problem of the boldface multiplication sign.
Conferring with Betty was all the help I needed to clarify the Nemeth requirements and the unusual way in which the print is presented. In French de, la, or le is a separate word spaced away from the folowing word. However, when the following word begins with a vowel, the e (or a) is dropped, an apostrophe is used in its place and and l' (or d') become part of the following word and is unspaced, as in this case of l'axe and d’échelle.
Print gives us a partially boldfaced word in l'axe and l’échelle. In Nemeth the boldface indicator is an open and close 3-cell indicator that is spaced away from the affected word. The recommendation is to space the l' away from the opening boldface indicator.
[braille]l' ,'_ axe _,'
In the case of d’«Échelle where there is an intervening open quote between the d' and the following word, the recommendation here is also to space the d' away from the following word to accommodate the open quote, which must be preceded by a space.
[braille]d' 8,=chelle
I believe the underscore in Web addresses is the _ you see. For example in http://www.btc_montana/... the underscore is shown immediately before the word montana.
If it looks like you describe, it may not be enlarged grouping signs. It may be a multinomial coefficient, and I will check on how that is done once you send the picture.
I haven't been successful attaching files today... even when I choose a file, the box below "attach files" shows "no file chosen" and there is a red "x" beside the name of the file. I will try this once again, and if not successful I will email it to you.
Rule XXV section 195c says "An abbreviation must not be placed on a different braille line from its preceding or following numeral or letter."
As to your other point, I will follow up on that as quickly as I can. Dorothy
Even though it comes at the end of the braille line, because it is so short, you would bring the entire expression down to the next line rather than divide it between lines.
I can't seem to attach a file so I am pasting the text in here. NOTE: the bold letters have ARROWS ON TOP.
Notation and units Students often have a hard time keeping track of which quantities are vectors and which are not. We use boldface italic symbols with an arrow on top for vector quantities, such as v, a, and F; unit vectors such as i, have a caret on top. Boldface +, —, x, and = signs are used in vector equations to emphasize the distinction between vector and scalar mathematical operations.
SI units are used exclusively (English unit conversions are included where appropriate). The joule is used as the standard unit of energy of all forms, including heat.
