tab_to_unicode = 166: "அ", 167: "ஆ", 168: "இ", 169: "ஈ", 179: "க்", 180: "ங்", 181: "ச்", 182: "ஞ்"
Notepad++ expects Unicode. Use legacy encoding → select TAB (IBM 437) or use BabelPad with Tamil TAB support. arun tamil font
Yes, install the .ttf file, but you still need a TAB keyboard like Tamil Keyman with TAB layout. tab_to_unicode = 166: "அ", 167: "ஆ", 168: "இ",