When I try to add a bunch of glyphs using menu Font > Add Glyphs… and use the following list, only blank glyph boxes are added to the font. These do not contain the unicodes and cannot be edited.
unif201
unif202
unif203
unif204
unif205
unif206
unif207
unif208
unif209
unif210
unif211
unif212
unif213
unif214
unif215
unif216
unif217
unif218
unif219
unif220
unif221
unif222
unif223
unif224
unif225
unif226
unif227
unif228
unif229
unif230