Add cheat sheet
This commit is contained in:
Simon Cozens
Behdad Esfahbod
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9e59c401e0
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91e2f3b92a
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digraph {
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graph [outputorder=edgefirst];
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node [shape="record", fontname="Courier-Bold", fontsize=15];
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edge [fontname="Verdana", fontsize=12,labeldistance=7.5 ];
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fontname="Verdana";
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ranksep=0.02; nodesep=0.5;
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subgraph {
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ranksep="0.02 equally";
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preprocessing[style=filled,fillcolor="lightgreen",fontname="Verdana",label="Glyph pre-processing"];
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orthographic[style=filled,fillcolor="lightblue",fontname="Verdana",label="Orthographic Unit Shaping"];
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reordering[style=filled, fillcolor="lightcoral",fontname="Verdana",label="Reordering group (USE)"];
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topographic[style=filled,fillcolor="lightgoldenrod",fontname="Verdana",label="Topographical Features"];
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typographic[style=filled,fillcolor="lightpink",fontname="Verdana",label="Typographic Presentation"];
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positioning[style=filled,fillcolor="lightsalmon",fontname="Verdana",label="Positioning"];
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preprocessing->reordering->orthographic->topographic->typographic->positioning;
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}
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decision1 [shape="diamond", label="Script\ndirection?",fontname="Verdana"];
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rvrn->decision1;
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ltrfeatures [label="{ltra|ltrm}", fillcolor="lightgreen",style="filled"];
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rtlfeatures [label="{rtla|rtlm}", fillcolor="lightgreen",style="filled"];
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fracfeatures [label="frac|numr|dnom", fillcolor="lightpink",style="filled"];
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rand [fillcolor="lightpink",style="filled"];
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decision1 -> ltrfeatures [label="Left-to-right"];
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decision1 -> rtlfeatures [label="Right-to-left"];
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decision1 -> fracfeatures [label="Other"];
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ltrfeatures -> fracfeatures;
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rtlfeatures -> fracfeatures;
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fracfeatures->rand;
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decision2 [shape="diamond", label="Script?",fontname="Verdana"];
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{rank=same; HARF; notes;}
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rand -> trak -> HARF -> decision2;
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commonfeatures [shape=none,label=<<table border="0" cellspacing="0">
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<tr>
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<td border="1" bgcolor="lightsalmon">abvm</td>
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<td border="1" bgcolor="lightsalmon">blwm</td>
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<td border="1" bgcolor="lightgreen">ccmp</td>
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<td border="1" bgcolor="lightgreen">locl</td>
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<td border="1" bgcolor="lightsalmon">mark</td>
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<td border="1" bgcolor="lightsalmon">mkmk</td>
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<td border="1" bgcolor="lightpink">rlig</td>
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</tr>
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</table>>
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];
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decision3 [shape="diamond", label="Script\ndirection?",fontname="Verdana"];
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BUZZ -> commonfeatures -> decision3;
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horizontalfeatures [
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shape=none,label=<<table border="0" cellspacing="0">
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<tr><td border="1" bgcolor="lightpink">calt <font face="Verdana">(not Hangul)</font></td></tr>
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<tr><td border="1" bgcolor="lightpink">clig <font face="Verdana">(not Khmer)</font></td></tr>
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<tr><td border="1" bgcolor="lightsalmon">curs</td></tr>
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<tr><td border="1" bgcolor="lightsalmon">dist</td></tr>
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<tr><td border="1" bgcolor="lightsalmon">kern</td></tr>
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<tr><td border="1" bgcolor="lightpink">liga <font face="Verdana">(not Khmer)</font></td></tr>
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<tr><td border="1" bgcolor="lightpink">rclt</td></tr>
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</table>>
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];
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vert [label="vert",style=filled,fillcolor="lightpink"];
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decision3 -> horizontalfeatures [label="Horizontal"];
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decision3 -> vert [label="Vertical"];
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discretionary [label="User-selected\ndiscretionary\nfeatures",fontname="Verdana"];
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horizontalfeatures -> discretionary;
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vert -> discretionary;
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decision2->stch;
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BUZZ;
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subgraph complexshapers {
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subgraph cluster_arabic {
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bgcolor="lightyellow"
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label="Arabic, Syriac";
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stch [ style="filled", fillcolor="lightgreen",label="ccmp|locl"];
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ccmplocl [ style="filled", label="ccmp|locl", fillcolor="lightgreen"];
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arabicfeatures [label="isol|fina|fin2|fin3|medi|med2|init", style="filled", fillcolor="lightgoldenrod"];
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arabicfeatures2 [label="rclt|calt", style="filled",fillcolor="lightpink"];
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rlig[style="filled",fillcolor="lightpink"];
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mset [fillcolor="lightpink",style="filled"]
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stch->ccmplocl->arabicfeatures->rlig->arabicfeatures2->mset;
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}
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mset->BUZZ:n;
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subgraph cluster_hangul {
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bgcolor="lightyellow"
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label="Hangul";
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hangulfeatures [label="ljmo|vjmo|tjmo", style="filled",fillcolor="lightblue"]
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}
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hangulfeatures->BUZZ:n;
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subgraph cluster_indic {
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label="Indic";
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bgcolor="lightyellow"
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// Preprocessing
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loclccmpindic [label="locl|ccmp",style=filled,fillcolor="lightgreen"];
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node[style=filled,fillcolor="lightgreen"];
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loclccmpindic->indic_reorder_1->nukt->akhn;
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indic_reorder_1[label="Initial reordering", fontname="Verdana",fillcolor="lightgrey",shape=ellipse,style=filled]
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// Orthographic
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node[style=filled,fillcolor="lightblue"]
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akhn ->rphf -> rkpf -> pref -> blwf -> abvf -> half -> pstf -> vatu -> cjct;
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// Typographic presentation
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indic_typographic[style=filled,fillcolor="lightpink",label="init|pres|abvs|blws|psts|haln"]
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indic_reorder_2[label="Final reordering",fillcolor="lightgrey",fontname="Verdana", shape=ellipse,style=filled]
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cjct->indic_reorder_2->indic_typographic;
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}
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subgraph cluster_khmer {
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label="Khmer";
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bgcolor="lightyellow"
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khmerbasic [style=filled,fillcolor="lightgreen",label="locl|ccmp|pref|bwlf|abvf|pstf|cfar"]
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khmerother [style=filled,fillcolor="lightpink",label="pres|abvs|blws|psts"]
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khmerbasic -> khmerother -> khmerclig;
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khmerclig [label="clig",style=filled,fillcolor="lightpink"];
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}
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subgraph cluster_myanmar {
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label="Myanmar";
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bgcolor="lightyellow"
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loclccmpmyanmar [label="locl|ccmp",style=filled,fillcolor="lightgreen"];
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rphfmymr [label="rphf",style=filled,fillcolor="lightblue"]
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prefmymr [label="pref",style=filled,fillcolor="lightblue"]
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blwfmymr [label="blwf",style=filled,fillcolor="lightblue"]
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pstfmymr [label="pstf",style=filled,fillcolor="lightblue"]
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myanmarother [label="pres|abvs|blws|psts",style=filled,fillcolor="lightpink"];
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reorder_myanmar[label="Reordering", shape=ellipse,style=filled,fontname="Verdana"]
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loclccmpmyanmar -> reorder_myanmar-> rphfmymr -> prefmymr -> blwfmymr -> pstfmymr -> myanmarother;
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}
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subgraph cluster_use {
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label="Universal Shaping Engine"
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bgcolor="lightyellow"
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use_preprocessing [style=filled, label="locl|ccmp|nukt|akhn", fillcolor="lightgreen"];
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// Reoredering
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rphfuse [label="rphf", style=filled, fillcolor="lightcoral"];
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prefuse [label="pref", style=filled, fillcolor="lightcoral"];
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// Orthographic
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orthographicuse [label="rkrf|abvf|blwf|half|pstf|vatu|cjct", style="filled", fillcolor="lightblue"];
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topographicaluse [label="isol|init|medi|fina", style="filled", fillcolor="lightgoldenrod"];
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typographicaluse [label="abvs|blws|haln|pres|psts", style="filled", fillcolor="lightpink"];
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reorder_use[label="Reordering", shape=ellipse,style=filled,fontname="Verdana"]
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use_preprocessing -> rphfuse -> prefuse->orthographicuse ->reorder_use -> topographicaluse -> typographicaluse;
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}
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}
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indic_typographic->BUZZ:n;
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typographicaluse->BUZZ:n;
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khmerclig -> BUZZ:n;
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myanmarother -> BUZZ:n;
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decision2->hangulfeatures;
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decision2->loclccmpindic;
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decision2->khmerbasic;
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decision2->loclccmpmyanmar;
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decision2->use_preprocessing;
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decision2->BUZZ [label=" Hebrew, Thai,\n Lao, other"];
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notes [fontname="Verdana",shape=box,label=<<table border="0" cellborder="0" cellspacing="0">
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<tr><td align="left">
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<b>Indic</b> scripts are: Bengali, Devanagari,
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Gujarati, Gurmukhi, Kannada,
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Malayalam, Oriya, Tamil,
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Telugu, Sinhala
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</td></tr>
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<tr><td align="left">
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<b>USE</b> scripts are:
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Adlam, Ahom, Balinese, Batak, Bhaiksuki, Brahmi, Buginese,
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Buhid, Chakma, Cham, Chorasmian, Dives Akuru, Dogra, Duployan,
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</td></tr>
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<tr><td align="left">
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Egyptian hieroglyphs, Elymaic, Grantha, Gunjala Ggondi, Hanifi Rohingya,
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Hanunoo, Javanese, Kaithi, Kayah li, Kharoshthi, Khojki,
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</td></tr>
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<tr><td align="left">
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Khudawadi, Lepcha, Limbu, Mahajani, Makasar, Mandaic, Manichaean,
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Marchen, Masaram Gondi, Medefaidrin, Meetei Mayek, Miao, Modi,
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</td></tr>
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<tr><td align="left">
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Mongolian, Multani, Nandinagari, Newa, Nko, Nyiakeng Puachue Hmong,
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Old Sogdian, Pahawh Hmong, Phags Pa, Psalter Pahlavi, Rejang,
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</td></tr>
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<tr><td align="left">
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Saurashtra, Sharada, Siddham, Sogdian, Soyombo, Sundanese,
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Syloti Nagri, Tagalog, Tagbanwa, Tai Le, Tai Tham, Tai Viet,
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</td></tr>
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<tr><td align="left">
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Takri, Tibetan, Tifinagh, Tirhuta, Wancho, Zanabazar square,
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</td></tr>
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</table>>]
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}
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