| | `K` | Not a vowel (i.e. a consonant or word boundary or non-alphabetic character). | | | `K` | Not a vowel (i.e. a consonant or word boundary or non-alphabetic character). | | ||||
| | `X` | There is no vowel until the word boundary. | | | `X` | There is no vowel until the word boundary. | | ||||
| | `Z` | A non-alphabetic character. | | | `Z` | A non-alphabetic character. | | ||||
| | `%` | Doubled (placed before a character in \<pre\> and after it in \<post\>. (Beware of [bug #195](https://github.com/espeak-ng/espeak-ng/issues/195)) | | | `%` | Doubled (placed before a character in \<pre\> and after it in \<post\>. | | ||||
| | `/` | The following character is treated literally. | | | `/` | The following character is treated literally. | | ||||
| | `\xxx` | Character is written as by 3 digit octal value of `xxx`| | | `\xxx` | Character is written as by 3 digit octal value of `xxx`| | ||||
| | `@` | One syllable (i.e. at least one vowel or diphthong) | | | `@` | One syllable (i.e. at least one vowel or diphthong) | |