Manual: •.,:;…!?·

Journal Manual: •.,:;…!?· | 22 July 2021 Topics: Dots, commas, English numerical notation, and the distinction between bullets, interpuncts, and multiplication operators.

While the world of quotation marks, brackets, and various whitespace types is often a source of heated debate and complexity, there are other glyphs that are far simpler in design. Because they are so common, these characters usually go unnoticed.

In this installment, we explore the nuances of basic punctuation.

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1. The Period (Full Stop)

In most European languages, the period serves as the primary marker for the end of a sentence. Beyond this, it is utilized for:

• Indicating abbreviations and initials.
• Acting as a decimal separator (region-dependent).
• Separating hours from minutes in time stamps.

Standard practice is to place a period at the end of every sentence, including headlines. Actually, typically, the period is omitted from the final sentence of a headline.

Design, Kerning, and Spacing

The visual execution of a period varies by typeface; it can be a perfect circle, a rectangle, or even a rhombus. While it mirrors the dot found on the letter i, the period is generally larger. Because it appears so frequently, the period's shape significantly influences the "voice" or intonation of the font. Some designers will reject an entire typeface simply because the periods don't feel right.

Spacing Considerations:

1. Legacy Fonts: Some older typefaces feature asymmetrical sidebearings, which can lead to excessive trailing space. In these cases, manual tracking may be necessary.
2. Modern Fonts: Current standards favor equal sidebearings to accommodate diverse usage.
3. Monospaced Fonts: Here, the period occupies the same width as any other character, resulting in very wide sidebearings and a large gap at the end of sentences.

Pro Tip: High-quality typefaces employ kerning for periods and commas when paired with specific glyphs to eliminate unsightly "white holes" in the layout.

Application in Text

In Russian typography, initials should be separated by spaces. However, a standard space is often too wide; therefore, a thin space is preferred for a cleaner look. Crucially, a non-breaking space must be used to ensure a name and surname are not split across two lines.

Numerical Separators

The use of the period as a decimal marker varies globally:

In mathematical terms, this is the difference between: $\text{English: } 1,234.56 \quad \text{vs.} \quad \text{Russian: } 1\ 234,56$

Because most computing hardware originated in the US, the period is the default decimal separator in code and many user interfaces.

Time Notation

The use of a period instead of a colon to separate hours and minutes is often a matter of house style rather than a strict rule.

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2. The Comma

Design and Variation

A comma can be designed as a circle with a descending stroke or as a single slanted/curved line. In many font families, the comma shares the same design DNA as the apostrophe and quotation marks.

Specialized Commas:

• Diacritical Commas: Used in Romanian and Latvian; these are essentially smaller versions of the standard comma.
• The Caron (háček): Used in Slavic and Baltic languages.

Warning: In Czech and Slovak, narrow letters with ascenders (like l, d, t, L) require a specific form of the caron. Substituting this with a standard apostrophe is typographically incorrect.

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3. The Ellipsis

The ellipsis is a dedicated glyph consisting of three dots, used to signify pauses, interruptions, or omitted text.

Rules of Usage

• With Punctuation: If an ellipsis follows a ? or !, you only add two dots (the third is the punctuation mark itself). Example: "For how many years will I be in this world?.."
• With Commas: When an ellipsis meets a comma, the comma is absorbed. The ellipsis then represents the omission of both words and the punctuation mark.
• With Brackets: Depending on the tradition, omissions are placed inside ( ), [ ], or ⟨ ⟩.

Technical Implementation

There is a difference between typing three individual periods and using a single ellipsis glyph.

Three periods: . . . (Often wider/looser)
Ellipsis glyph: … (More condensed/balanced)

Some software will automatically convert ... into … if the font supports the specific glyph.