Use Nemeth Indicators to Delimit Math Content in Text

まず、MathCAT が Nemeth をレンダリングする際に NVDA Add-On がインライン数式をどのように処理するかを追跡し、次に、現在のスペーシングをこの issue で提案されているインジケーター列と比較します。完了の条件は、テキストと数式が混在する場合に指定された Nemeth の区切り記号を使用し、挙動と任意の Toggle が明確に解決されていることです。

MathCAT Version

MathCAT-0.6.6 (NVDA Add-On)

Current Behavior

When MathCAT encounters in-line math content and is set to render math as Nemeth, it inserts one space before the math and two spaces afterward to distinguish it from the surrounding text.

Proposed Change

Nemeth indicators would likely serve as better delimiters. Benefits include

• a more natural rendering of mixed content (text interspersed with math), since that is how such content would be brailled physically.
• more conspicuous indication of code switching (especially useful in STEM documents).
• easier identification of symbols (e.g., punctuation) directly following math content, as the Nemeth indicators occupy the full height of the cells they use.
• the ability (at least in theory) to use NVDA's braille output as (nearly) embosser-ready Unicode braille (since the standard is to use Nemeth indicators in UEB documents with Nemeth math content).

Perhaps an option could be given to toggle this behavior if desired.

Comparison

Mixed-Content Statement

In this case, $y$ is proportional to $x^2$.

Current Nemeth Output (Unicode)

⠠⠔⠀⠹⠀⠉⠁⠎⠑⠂⠀⠀⠰⠽⠀⠀⠀⠊⠎⠀⠏⠗⠕⠏⠕⠗⠰⠝⠁⠇⠀⠞⠕⠀⠀⠭⠘⠆⠀⠀⠲

Proposed Nemeth Output (Unicode)

⠠⠔⠀⠹⠀⠉⠁⠎⠑⠂⠀⠸⠩⠀⠽⠀⠸⠱⠀⠊⠎⠀⠏⠗⠕⠏⠕⠗⠰⠝⠁⠇⠀⠞⠕⠀⠸⠩⠀⠭⠘⠆⠀⠸⠱⠲

If Nemeth indicators were adopted, then the grade 1 symbol indicator would not be necessary before the $y$.