Screen shot 2010-11-18 at 7.38.14 AMI often get letters from readers taking me to task for what they perceive to be grammar infractions. They were well-educated, and grammar problems jump out at them as they read. They complain about poor editing and sometimes offer to edit my books themselves. In some cases, they’ve truly caught typos that didn’t get caught in the many editing stages that all traditionally published books are subjected to. If a book of 100,000 words has as few mistakes as 1/10th of 1%, that’s still 100 errors. Ten errors would be 1/100th of 1%. Those are pretty good odds, if you ask me. However, I prefer zero mistakes, and always strive to produce a book that has no typos. That’s why I read every edited version carefully, despite how busy I am or how many times I’ve gone over it, just to make sure we haven’t missed anything.

But often it’s not the typos these readers mention in their letters. Frequently, it’s things that they perceive to be violations of grammar rules that they learned in school. What they don’t realize is that the Chicago Manual of Style, which sets the standard that publishers follow, has annual updates to these rules. For that reason, grammar rules have changed pretty drastically over the years. I taught English in college as a graduate student, and our department policy was to fail students on any test or paper in which certain hard and fast grammar rules were violated. Today, some of those things are allowed.

Before I realized how often these rules change, I had constant wars with my editors over things like commas. My editor, who was up to date on CMOS rules, would remove most of my commas. For instance, I was taught to use a comma in a sentence like this: “I enjoy going to the movie, too.” But CMOS says that the comma isn’t necessary there, so my editor removes it. I was taught to use a comma at the end of a series such as this: “He was tired of being harassed, bullied, and excluded.” My editor removes that final comma, because it no longer fits the rule.

To see how many updates there are from one edition to the next, see the list below, and the introductory explanation. These are changes from the 15th edition to the 16th edition, from the CMOS web site. All this to say, before you judge a writer or editor for what you perceive to be a grammar infraction, please check with the current edition of the CMOS to make sure you’re right. Negative letters have a way of haunting us even when they’re wrong, and no writer enjoys defending herself to people who are judging her for mistakes that aren’t really mistakes. Here is the excerpt from the CMOS web site:

The Chicago Manual of Style has once again been thoroughly updated to reflect the latest thinking among writers, editors, and publishers. A logical and intuitive reorganization of some chapters and paragraphs has moved related topics and concepts more closely together wherever possible. And though the fundamental principles of “Chicago style” remain the same, a few of the rules have changed. This list presents a selection of the most significant of these changes, in order of appearance.

For a more general list of the new features and significant updates for the 16th edition, see “What’s New in the 16th Edition.”

Titles that end in question marks or exclamation points

The title of a work that ends in a question mark or exclamation point should now be followed by a comma if the grammar of the sentence would normally call for one or, in source citations or in an index, if a comma would normally follow the title.6.1198.16414.10514.17816.54.

Plural form for words in quotation marks

The plural of a word or phrase in quotation marks is now formed without an apostrophe—that is, with the addition of s or eswithin the quotation marks. 7.12.

Names ending with an unpronounced “s”

In a return to the practice in the 14th edition, names that, like Descartes, end in an unpronounced s form the possessive like other names—with an apostrophe s7.17.

Names ending with an “eez” sound

Names like Xerxes or Euripides now form the possessive in the usual way—with an apostrophe s. (When these forms are spoken, however, the additional s is generally not pronounced.) 7.18.

Dividing URLs over a line

When a URL must be broken over a line in printed works, Chicago now recommends breaking before rather than after a slash (/). 7.4214.12.

Capitalization of “web” and “Internet”

Chicago now prefers web, website, web page, and so forth—with a lowercase w. But capitalize World Wide Web and Internet.7.76.

Color compounds

In the manner of most other such compounds, compound adjectives formed with color words are now hyphenated when they precede a noun. They remain open when they follow the noun. 7.85, section 1, under colors.

Northern and Southern California

As for the region Southern California, Chicago now prefers to capitalize Northern California when referring to the geographic and cultural entity. 8.46.

Plurals of proper nouns that include a generic term

In a return to the 14th edition of the manual, the generic term in a proper noun is uppercased if used in the plural (e.g., Fifty-Fifth and Fifty-Seventh Streets, the Thames and Mersey Rivers, the American and French Revolutions). 8.528.558.112.

Names like iPod

Brand names that begin with a lowercase letter followed by a capital letter now retain the lowercase letter even at the beginning of a sentence or a heading. 8.153.

Headline-style capitalization

For titles capitalized headline-style, Chicago now prefers capitalizing the second element in hyphenated spelled-out numbers (e.g., Twenty-Five). And, in general, Chicago no longer recommends making exceptions for short or unstressed words or to avoid the occasional awkward appearance. 8.157–59.

Titles with quotations

Quotations in headline-style titles can now be capitalized headline-style along with the rest of the title. 8.160.

Titles of photographs

Titles of photographs are now treated like those of paintings—that is, set in italics. 8.193.

Titles of art exhibitions

Formally titled art exhibitions, like exhibition catalogs, are now italicized. 8.195.

Abbreviation for “United States”

In works following Chicago’s primary recommendation of using two-letter postal codes for states (e.g., MT, not Mont., for Montana), US rather than U.S. is now preferred. 10.4.

Punctuation of foreign languages in an English context

Chicago now recommends imposing English-language spacing conventions around suspension points and other marks of punctuation in foreign text presented in an English-language context. 11.10.

Quotation marks in poems

Chicago now recommends normal left alignment for a quotation mark at the beginning of a line of verse. 13.26.

Ellipsis points

To indicate an omission, or ellipsis, in quoted text, Chicago now recommends a single method—three spaced periods preceded or followed by any other necessary mark of punctuation (including any period, which always precedes the three spaced periods). In addition, the practice of bracketing ellipses—common in some foreign-language works–is described.13.48–56.

Note numbers with subheads

Chicago no longer objects to note reference numbers or symbols appended to subheads (though some writers and editors will prefer to move the number or symbol into the text that follows the subhead). 14.22.

Access dates

When an access date is included as part of a citation to an online source, it should be placed before the URL (or DOI).14.185.

Classical references

Chicago now recommends treating classical references more like references to other types of sources—by placing a comma between author and title of work. 14.259.

Legal and public documents

Chicago now defers to Bluebook style for most references to legal or public documents—which are now treated together in a single, streamlined section. 14.281.

Notes and bibliography versus author-date citations

Chicago now recommends a uniform stylistic treatment for the main elements of citation in both its systems of citation—notes and bibliography (chapter 14) and author-date (chapter 15). Capitalization of titles and use of quotation marks and abbreviations is now consistent across the two systems. 15.2.

Text citations in author-date style

Chicago now encourages placing a parenthetical date immediately after the author’s name whenever possible, even if the author’s name is in the possessive. 15.24–25.

Terri Blackstock

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