of them. This is also true of the virama. There are also contextual variants of consonant-vowel combinations for some vowels, as is found in the Modi script. For conjuncts, there are a few 'inherent' conjuncts found in most Indic scripts, such as ksa, jna, and tra, and dra is also found in addition. Most consonants are written using the virama pattern, as is found in the Saurashtra script or in the Tamil script, but some are written with a reduced consonant form on the second consonant in the cluster, typically with ra and ya. Gemination is indicated with the Arabic shadda, while nasalization is indicated with an anusvara that is reminiscent of Devanagari in position but of Telugu, Kannada, or Malayalam in shape. The nukta is composed of three dots, similar to the three dots found in modifying historically Arabic letters in the Persian script, and it is added to certain letters to form Arabic sounds. They can sometimes be ambiguous, with the nukta over the same letter sometimes mapping to multiple Arabic letters, as in ja or as in sa. Punctuation exists for marking word boundaries using colon-like marks, section boundaries using a combination of colon-like marks and double danda-like marks, and other Latin punctuation is also present. Abbreviation marks are represented by a small circle to the side, as is found in Modi and in Goykanadi. Verse numbering is indicated by an overline and digits and number forms typically use those found throughout North India in the region. Some additional letters and forms have been found, are detailed in the Unicode Proposal, and are being researched. Over time some of the characters represented different sounds, which makes it difficult to read certain texts with the historical phonological values as compared to those with the modern phonological values known to most modern readers of published Ismaili literature. This is particularly true of the implosives, aspirants, and normal forms of ba, da, and ja, which shifted to render the implosive letter as a normal letter phonologically, the normal letter as an aspirant letter phonologically, and rendered the aspirant letter unnecessary. The implosive for ja began to represent za. Unicode Khojki script was added to the Unicode Standard in June, 2014 with the release of version 7.0. The Unicode block for Khojki is U+11200–U+1124F: Number forms and unit marks used in Khojki documents are located in the Common Indic Number Forms