[tx] Add name-keyed glyph limit warning to help.h

adobe-type-tools · May 6, 2021 · 5b30530 · 5b30530
1 parent 2f1190f
commit 5b30530
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/c/tx/source/help.h b/c/tx/source/help.h
@@ -58,6 +58,10 @@
 "initial line of \"%!\", if one is not already present, to ensure that tx detects\n"
 "the format correctly and selects the appropriate input library.\n"
 "\n"
+"An input name-keyed font with over 65000 glyphs will result in an error. This is\n"
+"due to the String INDEX limit of 64999. Any font with a glyph count over 65000\n"
+"should be a CID-keyed font.\n"
+"\n"
 "Subsetting\n"
 "----------\n"
 "An important aspect of tx is its ability to subset fonts by specifying a glyph\n"