usage: gftools-fix-vertical-metrics [-h] [-a ASCENTS] [-ah ASCENTS_HHEA] [-at ASCENTS_TYPO]
                                    [-aw ASCENTS_WIN] [-d DESCENTS] [-dh DESCENTS_HHEA]
                                    [-dt DESCENTS_TYPO] [-dw DESCENTS_WIN] [-l LINEGAPS]
                                    [-lh LINEGAPS_HHEA] [-lt LINEGAPS_TYPO] [--autofix]
                                    ttf_font [ttf_font ...]

positional arguments:
  ttf_font              Font file in OpenType (TTF/OTF) format

options:
  -h, --help            show this help message and exit
  -a, --ascents ASCENTS
                        Set new ascents value.
  -ah, --ascents-hhea ASCENTS_HHEA
                        Set new ascents value in 'Horizontal Header' table ('hhea'). This argument
                        cancels --ascents.
  -at, --ascents-typo ASCENTS_TYPO
                        Set new ascents value in 'Horizontal Header' table ('OS/2'). This argument
                        cancels --ascents.
  -aw, --ascents-win ASCENTS_WIN
                        Set new ascents value in 'Horizontal Header' table ('OS/2.Win'). This
                        argument cancels --ascents.
  -d, --descents DESCENTS
                        Set new descents value.
  -dh, --descents-hhea DESCENTS_HHEA
                        Set new descents value in 'Horizontal Header' table ('hhea'). This
                        argument cancels --descents.
  -dt, --descents-typo DESCENTS_TYPO
                        Set new descents value in 'Horizontal Header' table ('OS/2'). This
                        argument cancels --descents.
  -dw, --descents-win DESCENTS_WIN
                        Set new descents value in 'Horizontal Header' table ('OS/2.Win'). This
                        argument cancels --descents.
  -l, --linegaps LINEGAPS
                        Set new linegaps value.
  -lh, --linegaps-hhea LINEGAPS_HHEA
                        Set new linegaps value in 'Horizontal Header' table ('hhea')
  -lt, --linegaps-typo LINEGAPS_TYPO
                        Set new linegaps value in 'Horizontal Header' table ('OS/2')
  --autofix             Autofix font metrics