add fix-cmap usage to README.md
(issue
@@ -295,6 +295,28 @@ 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] [--keep-only-pid-0]
+ 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
+ --keep-only-pid-0, -k0
+ Keep only cmap subtables with pid=0 and drop the rest.
+```
+
### fontbakery fix-dsig
Fixes TTF to have a dummy DSIG table
