[freetype2-demos] master ed0a7b0: ftgrid.1, ftstring.1, frview.1: Update documentation of option `-k'.

[Werner LEMBERG]

branch: master
commit ed0a7b0135888ddd608fd19d5f4eb482d307603f
Author: Werner Lemberg <wl@gnu.org>
Commit: Werner Lemberg <wl@gnu.org>

    ftgrid.1, ftstring.1, frview.1: Update documentation of option `-k'.
---
 man/ftgrid.1   | 7 +++++++
 man/ftstring.1 | 7 +++++++
 man/ftview.1   | 7 +++++++
 3 files changed, 21 insertions(+)

diff --git a/man/ftgrid.1 b/man/ftgrid.1
index be4706c..2397232 100644
--- a/man/ftgrid.1
+++ b/man/ftgrid.1
@@ -90,6 +90,13 @@ Don't display named instances of variation fonts.
 .BI \-k \ keys
 Emulate sequence of keystrokes upon start-up.
 If the keystrokes contain 'q', the program operates in batch mode.
+Function keys
+.RI F x
+are mapped to character codes
+.RI 0xF x ;
+as an example,
+.B \-k\ $'\exF3q'
+is function key 'F3' followed by character 'q'.
 .
 .TP
 .B \-v
diff --git a/man/ftstring.1 b/man/ftstring.1
index 27b1bf2..f0dabdc 100644
--- a/man/ftstring.1
+++ b/man/ftstring.1
@@ -82,6 +82,13 @@ for rendering.
 .BI \-k \ keys
 Emulate sequence of keystrokes upon start-up.
 If the keystrokes contain 'q', the program operates in batch mode.
+Function keys
+.RI F x
+are mapped to character codes
+.RI 0xF x ;
+as an example,
+.B \-k\ $'\exF3q'
+is function key 'F3' followed by character 'q'.
 .
 .TP
 .B \-v
diff --git a/man/ftview.1 b/man/ftview.1
index 7a7a841..782dc6a 100644
--- a/man/ftview.1
+++ b/man/ftview.1
@@ -102,6 +102,13 @@ Preload file in memory to simulate memory-mapping.
 .BI \-k \ keys
 Emulate sequence of keystrokes upon start-up.
 If the keystrokes contain 'q', the program operates in batch mode.
+Function keys
+.RI F x
+are mapped to character codes
+.RI 0xF x ;
+as an example,
+.B \-k\ $'\exF3q'
+is function key 'F3' followed by character 'q'.
 .
 .TP
 .B \-v