diff --git a/runtime/keymap/tamil_tscii.vim b/runtime/keymap/tamil_tscii.vim
new file mode 100644
index 0000000..fa07c17
--- /dev/null
+++ b/runtime/keymap/tamil_tscii.vim
@@ -0,0 +1,572 @@
+" Keymap file for the editing Tamil language files in TSCII encoding.
+"
+" Maintainer: Yegappan Lakshmanan (yegappan AT yahoo DOT com)
+" Last updated: August 4, 2005
+"
+" You will need a fixed width TSCII font to use this encoding.  The
+" Avarangal TSCII fixed width font (TSC_AvarangalFxd) is used to test
+" this keymap.
+"
+" Visit http://www.tscii.org for more information about the TSCII
+" encoding.
+" 
+let b:keymap_name = "tamil_tscii"
+
+loadkeymap
+
+" Uyir (Vowels) letters
+a      <char-171>
+aa     <char-172>
+A      <char-172>
+i      <char-173>
+ii     <char-174>
+I      <char-174>
+u      <char-175>
+uu     <char-176>
+U      <char-176>
+e      <char-177>
+ee     <char-178>
+E      <char-178>
+ai     <char-179>
+o      <char-180>
+oo     <char-181>
+O      <char-181>
+au     <char-182>
+q      <char-183>
+
+" mey (Consonants) letters
+k      <char-236>
+ka     <char-184>
+kaa    <char-184><char-161>
+kA     <char-184><char-161>
+ki     <char-184><char-162>
+kii    <char-184><char-163>
+kI     <char-184><char-163>
+ku     <char-204>
+kuu    <char-220>
+kU     <char-220>
+ke     <char-166><char-184>
+kee    <char-167><char-184>
+kE     <char-167><char-184>
+kai    <char-168><char-184>
+ko     <char-166><char-184><char-161>
+koo    <char-167><char-184><char-161>
+kO     <char-167><char-184><char-161>
+kau    <char-166><char-184><char-199>
+
+g      <char-236>
+ga     <char-184>
+gaa    <char-184><char-161>
+gA     <char-184><char-161>
+gi     <char-184><char-162>
+gii    <char-184><char-163>
+gI     <char-184><char-163>
+gu     <char-204>
+guu    <char-220>
+gU     <char-220>
+ge     <char-166><char-184>
+gee    <char-167><char-184>
+gE     <char-167><char-184>
+gai    <char-168><char-184>
+go     <char-166><char-184><char-161>
+goo    <char-167><char-184><char-161>
+gO     <char-167><char-184><char-161>
+gau    <char-166><char-184><char-199>
+
+ng     <char-237>
+nga    <char-185>
+ngaa   <char-185><char-161>
+ngA    <char-185><char-161>
+ngi    <char-185><char-162>
+ngii   <char-185><char-163>
+ngI    <char-185><char-163>
+ngu    <char-153>
+nguu   <char-155>
+ngU    <char-155>
+nge    <char-166><char-185>
+ngee   <char-167><char-185>
+ngE    <char-167><char-185>
+ngai   <char-168><char-185>
+ngo    <char-166><char-185><char-161>
+ngoo   <char-167><char-185><char-161>
+ngO    <char-167><char-185><char-161>
+ngau   <char-166><char-185><char-199>
+
+ch     <char-238>
+cha    <char-186>
+chaa   <char-186><char-161>
+chA    <char-186><char-161>
+chi    <char-186><char-162>
+chii   <char-186><char-163>
+chI    <char-186><char-163>
+chu    <char-204>
+chuu   <char-221>
+chU    <char-221>
+che    <char-166><char-186>
+chee   <char-167><char-186>
+chE    <char-167><char-186>
+chai   <char-168><char-186>
+cho    <char-166><char-186><char-161>
+choo   <char-167><char-186><char-161>
+chO    <char-167><char-186><char-161>
+chau   <char-166><char-186><char-199>
+
+s      <char-238>
+sa     <char-186>
+saa    <char-186><char-161>
+sA     <char-186><char-161>
+si     <char-186><char-162>
+sii    <char-186><char-163>
+sI     <char-186><char-163>
+su     <char-204>
+suu    <char-221>
+sU     <char-221>
+se     <char-166><char-186>
+see    <char-167><char-186>
+sE     <char-167><char-186>
+sai    <char-168><char-186>
+so     <char-166><char-186><char-161>
+soo    <char-167><char-186><char-161>
+sO     <char-167><char-186><char-161>
+sau    <char-166><char-186><char-199>
+
+nj     <char-239>
+nja    <char-187>
+njaa   <char-187><char-161>
+njA    <char-187><char-161>
+nji    <char-187><char-162>
+njii   <char-187><char-163>
+njI    <char-187><char-163>
+nju    <char-154>
+njuu   <char-156>
+njU    <char-156>
+nje    <char-166><char-187>
+njee   <char-167><char-187>
+njE    <char-167><char-187>
+njai   <char-168><char-187>
+njo    <char-166><char-187><char-161>
+njoo   <char-167><char-187><char-161>
+njO    <char-167><char-187><char-161>
+njau   <char-166><char-187><char-199>
+
+t      <char-240>
+ta     <char-188>
+taa    <char-188><char-161>
+tA     <char-188><char-161>
+ti     <char-202>
+tii    <char-203>
+tI     <char-203>
+tu     <char-206>
+tuu    <char-222>
+tU     <char-222>
+te     <char-166><char-188>
+tee    <char-167><char-188>
+tE     <char-167><char-188>
+tai    <char-168><char-188>
+to     <char-166><char-188><char-161>
+too    <char-167><char-188><char-161>
+tO     <char-167><char-188><char-161>
+tau    <char-166><char-188><char-199>
+
+d      <char-240>
+da     <char-188>
+daa    <char-188><char-161>
+dA     <char-188><char-161>
+di     <char-202>
+dii    <char-203>
+dI     <char-203>
+du     <char-206>
+duu    <char-222>
+dU     <char-222>
+de     <char-166><char-188>
+dee    <char-167><char-188>
+dE     <char-167><char-188>
+dai    <char-168><char-188>
+do     <char-166><char-188><char-161>
+doo    <char-167><char-188><char-161>
+dO     <char-167><char-188><char-161>
+dau    <char-166><char-188><char-199>
+
+N      <char-241>
+Na     <char-189>
+Naa    <char-189><char-161>
+NA     <char-189><char-161>
+Ni     <char-189><char-162>
+Nii    <char-189><char-163>
+NI     <char-189><char-163>
+Nu     <char-207>
+Nuu    <char-223>
+NU     <char-223>
+Ne     <char-166><char-189>
+Nee    <char-167><char-189>
+NE     <char-167><char-189>
+Nai    <char-168><char-189>
+No     <char-166><char-189><char-161>
+Noo    <char-167><char-189><char-161>
+NO     <char-167><char-189><char-161>
+Nau    <char-166><char-189><char-199>
+
+th     <char-242>
+tha    <char-190>
+thaa   <char-190><char-161>
+thA    <char-190><char-161>
+thi    <char-190><char-162>
+thii   <char-190><char-163>
+thI    <char-190><char-163>
+thu    <char-208>
+thuu   <char-224>
+thU    <char-224>
+the    <char-166><char-190>
+thee   <char-167><char-190>
+thE    <char-167><char-190>
+thai   <char-168><char-190>
+tho    <char-166><char-190><char-161>
+thoo   <char-167><char-190><char-161>
+thO    <char-167><char-190><char-161>
+thau   <char-166><char-190><char-199>
+
+w      <char-243>
+wa     <char-191>
+waa    <char-191><char-161>
+wA     <char-191><char-161>
+wi     <char-191><char-162>
+wii    <char-191><char-163>
+wI     <char-191><char-163>
+wu     <char-209>
+wuu    <char-225>
+wU     <char-225>
+we     <char-166><char-191>
+wee    <char-167><char-191>
+wE     <char-167><char-191>
+wai    <char-168><char-191>
+wo     <char-166><char-191><char-161>
+woo    <char-167><char-191><char-161>
+wO     <char-167><char-191><char-161>
+wau    <char-166><char-191><char-199>
+
+n-     <char-243>
+n-a    <char-191>
+n-aa   <char-191><char-161>
+n-A    <char-191><char-161>
+n-i    <char-191><char-162>
+n-ii   <char-191><char-163>
+n-I    <char-191><char-163>
+n-u    <char-209>
+n-uu   <char-225>
+n-U    <char-225>
+n-e    <char-166><char-191>
+n-ee   <char-167><char-191>
+n-E    <char-167><char-191>
+n-ai   <char-168><char-191>
+n-o    <char-166><char-191><char-161>
+n-oo   <char-167><char-191><char-161>
+n-O    <char-167><char-191><char-161>
+n-au   <char-166><char-191><char-199>
+
+p      <char-244>
+pa     <char-192>
+paa    <char-192><char-161>
+pA     <char-192><char-161>
+pi     <char-192><char-162>
+pii    <char-192><char-163>
+pI     <char-192><char-163>
+pu     <char-210>
+puu    <char-226>
+pU     <char-226>
+pe     <char-166><char-192>
+pee    <char-167><char-192>
+pE     <char-167><char-192>
+pai    <char-168><char-192>
+po     <char-166><char-192><char-161>
+poo    <char-167><char-192><char-161>
+pO     <char-167><char-192><char-161>
+pau    <char-166><char-192><char-199>
+
+b      <char-244>
+ba     <char-192>
+baa    <char-192><char-161>
+bA     <char-192><char-161>
+bi     <char-192><char-162>
+bii    <char-192><char-163>
+bI     <char-192><char-163>
+bu     <char-210>
+buu    <char-226>
+bU     <char-226>
+be     <char-166><char-192>
+bee    <char-167><char-192>
+bE     <char-167><char-192>
+bai    <char-168><char-192>
+bo     <char-166><char-192><char-161>
+boo    <char-167><char-192><char-161>
+bO     <char-167><char-192><char-161>
+bau    <char-166><char-192><char-199>
+
+m      <char-245>
+ma     <char-193>
+maa    <char-193><char-161>
+mA     <char-193><char-161>
+mi     <char-193><char-162>
+mii    <char-193><char-163>
+mI     <char-193><char-163>
+mu     <char-211>
+muu    <char-227>
+mU     <char-227>
+me     <char-166><char-193>
+mee    <char-167><char-193>
+mE     <char-167><char-193>
+mai    <char-168><char-193>
+mo     <char-166><char-193><char-161>
+moo    <char-167><char-193><char-161>
+mO     <char-167><char-193><char-161>
+mau    <char-166><char-193><char-199>
+
+y      <char-246>
+ya     <char-194>
+yaa    <char-194><char-161>
+yA     <char-194><char-161>
+yi     <char-194><char-162>
+yii    <char-194><char-163>
+yI     <char-194><char-163>
+yu     <char-212>
+yuu    <char-228>
+yU     <char-228>
+ye     <char-166><char-194>
+yee    <char-167><char-194>
+yE     <char-167><char-194>
+yai    <char-168><char-194>
+yo     <char-166><char-194><char-161>
+yoo    <char-167><char-194><char-161>
+yO     <char-167><char-194><char-161>
+yau    <char-166><char-194><char-199>
+
+r      <char-247>
+ra     <char-195>
+raa    <char-195><char-161>
+rA     <char-195><char-161>
+ri     <char-195><char-162>
+rii    <char-195><char-163>
+rI     <char-195><char-163>
+ru     <char-213>
+ruu    <char-229>
+rU     <char-229>
+re     <char-166><char-195>
+ree    <char-167><char-195>
+rE     <char-167><char-195>
+rai    <char-168><char-195>
+ro     <char-166><char-195><char-161>
+roo    <char-167><char-195><char-161>
+rO     <char-167><char-195><char-161>
+rau    <char-166><char-195><char-199>
+
+l      <char-248>
+la     <char-196>
+laa    <char-196><char-161>
+lA     <char-196><char-161>
+li     <char-196><char-162>
+lii    <char-196><char-163>
+lI     <char-196><char-163>
+lu     <char-214>
+luu    <char-230>
+lU     <char-230>
+le     <char-166><char-196>
+lee    <char-167><char-196>
+lE     <char-167><char-196>
+lai    <char-168><char-196>
+lo     <char-166><char-196><char-161>
+loo    <char-167><char-196><char-161>
+lO     <char-167><char-196><char-161>
+lau    <char-166><char-196><char-199>
+
+v      <char-249>
+va     <char-197>
+vaa    <char-197><char-161>
+vA     <char-197><char-161>
+vi     <char-197><char-162>
+vii    <char-197><char-163>
+vI     <char-197><char-163>
+vu     <char-215>
+vuu    <char-231>
+vU     <char-231>
+ve     <char-166><char-197>
+vee    <char-167><char-197>
+vE     <char-167><char-197>
+vai    <char-168><char-197>
+vo     <char-166><char-197><char-161>
+voo    <char-167><char-197><char-161>
+vO     <char-167><char-197><char-161>
+vau    <char-166><char-197><char-199>
+
+z      <char-250>
+za     <char-198>
+zaa    <char-198><char-161>
+zA     <char-198><char-161>
+zi     <char-198><char-162>
+zii    <char-198><char-163>
+zI     <char-198><char-163>
+zu     <char-216>
+zuu    <char-232>
+zU     <char-232>
+ze     <char-166><char-198>
+zee    <char-167><char-198>
+zE     <char-167><char-198>
+zai    <char-168><char-198>
+zo     <char-166><char-198><char-161>
+zoo    <char-167><char-198><char-161>
+zO     <char-167><char-198><char-161>
+zau    <char-166><char-198><char-199>
+
+L      <char-251>
+La     <char-199>
+Laa    <char-199><char-161>
+LA     <char-199><char-161>
+Li     <char-199><char-162>
+Lii    <char-199><char-163>
+LI     <char-199><char-163>
+Lu     <char-217>
+Luu    <char-233>
+LU     <char-233>
+Le     <char-166><char-199>
+Lee    <char-167><char-199>
+LE     <char-167><char-199>
+Lai    <char-168><char-199>
+Lo     <char-166><char-199><char-161>
+Loo    <char-167><char-199><char-161>
+LO     <char-167><char-199><char-161>
+Lau    <char-166><char-199><char-199>
+
+R      <char-252>
+Ra     <char-200>
+Raa    <char-200><char-161>
+RA     <char-200><char-161>
+Ri     <char-200><char-162>
+Rii    <char-200><char-163>
+RI     <char-200><char-163>
+Ru     <char-218>
+Ruu    <char-234>
+RU     <char-234>
+Re     <char-166><char-200>
+Ree    <char-167><char-200>
+RE     <char-167><char-200>
+Rai    <char-168><char-200>
+Ro     <char-166><char-200><char-161>
+Roo    <char-167><char-200><char-161>
+RO     <char-167><char-200><char-161>
+Rau    <char-166><char-200><char-199>
+
+n      <char-253>
+na     <char-201>
+naa    <char-201><char-161>
+nA     <char-201><char-161>
+ni     <char-201><char-162>
+nii    <char-201><char-163>
+nI     <char-201><char-163>
+nu     <char-219>
+nuu    <char-235>
+nU     <char-235>
+ne     <char-166><char-201>
+nee    <char-167><char-201>
+nE     <char-167><char-201>
+nai    <char-168><char-201>
+no     <char-166><char-201><char-161>
+noo    <char-167><char-201><char-161>
+nO     <char-167><char-201><char-161>
+nau    <char-166><char-201><char-199>
+
+" Grantha letters
+j      <char-136>
+ja     <char-131>
+jaa    <char-131><char-161>
+jA     <char-131><char-161>
+ji     <char-131><char-162>
+jii    <char-131><char-163>
+jI     <char-131><char-163>
+ju     <char-131><char-164>
+juu    <char-131><char-164>
+jU     <char-131><char-165>
+je     <char-166><char-131>
+jee    <char-167><char-131>
+jE     <char-167><char-131>
+jai    <char-168><char-131>
+jo     <char-166><char-131><char-161>
+joo    <char-167><char-131><char-161>
+jO     <char-167><char-131><char-161>
+jau    <char-166><char-131><char-199>
+
+sh     <char-137>
+sha    <char-132>
+shaa   <char-132><char-161>
+shA    <char-132><char-161>
+shi    <char-132><char-162>
+shii   <char-132><char-163>
+shI    <char-132><char-163>
+shu    <char-131><char-164>
+shuu   <char-131><char-164>
+shU    <char-131><char-165>
+she    <char-166><char-132>
+shee   <char-167><char-132>
+shE    <char-167><char-132>
+shai   <char-168><char-132>
+sho    <char-166><char-132><char-161>
+shoo   <char-167><char-132><char-161>
+shO    <char-167><char-132><char-161>
+shau   <char-166><char-132><char-199>
+
+S      <char-138>
+Sa     <char-133>
+Saa    <char-133><char-161>
+SA     <char-133><char-161>
+Si     <char-133><char-162>
+Sii    <char-133><char-163>
+SI     <char-133><char-163>
+Su     <char-133><char-164>
+Suu    <char-133><char-165>
+SU     <char-133><char-165>
+Se     <char-166><char-133>
+See    <char-167><char-133>
+SE     <char-167><char-133>
+Sai    <char-168><char-133>
+So     <char-166><char-133><char-161>
+Soo    <char-167><char-133><char-161>
+SO     <char-167><char-133><char-161>
+Sau    <char-166><char-133><char-199>
+
+h      <char-139>
+ha     <char-134>
+haa    <char-134><char-161>
+hA     <char-134><char-161>
+hi     <char-134><char-162>
+hii    <char-134><char-163>
+hI     <char-134><char-163>
+hu     <char-134><char-164>
+huu    <char-134><char-165>
+hU     <char-134><char-165>
+he     <char-166><char-134>
+hee    <char-167><char-134>
+hE     <char-167><char-134>
+hai    <char-168><char-134>
+ho     <char-166><char-134><char-161>
+hoo    <char-167><char-134><char-161>
+hO     <char-167><char-134><char-161>
+hau    <char-166><char-134><char-199>
+
+x      <char-140>
+xa     <char-135>
+xaa    <char-135><char-161>
+xA     <char-135><char-161>
+xi     <char-135><char-162>
+xii    <char-135><char-163>
+xI     <char-135><char-163>
+xu     <char-135><char-164>
+xuu    <char-135><char-165>
+xU     <char-135><char-165>
+xe     <char-166><char-135>
+xee    <char-167><char-135>
+xE     <char-167><char-135>
+xai    <char-168><char-135>
+xo     <char-166><char-135><char-161>
+xoo    <char-167><char-135><char-161>
+xO     <char-167><char-135><char-161>
+xau    <char-166><char-135><char-199>
+
+sri     <char-130>
+