added usage instructions for script fix-cmap
@@ -385,6 +385,25 @@ optional arguments:
-h, --help show this help message and exit
```
+### fontbakery fix-cmap
+
+Manipulate a collection of fonts' cmap tables.
+
+```
+usage: fontbakery-fix-cmap.py [-h] [--format-4-subtables] [-drop-mac-subtable]
+ fonts [fonts ...]
+
+positional arguments:
+ fonts
+
+optional arguments:
+ -h, --help show this help message and exit
+ --format-4-subtables, -f4
+ Convert cmap subtables to format 4
+ -drop-mac-subtable, -dm
+ Drop Mac cmap subtables
+```
+
### fontbakery fix-dsig
Fixes TTF to have a dummy DSIG table
