Document the configuration syntax.

2 files changed, 7 insertions, 3 deletions

diff --git a/cli/icevault b/cli/icevault
index e4c517a..8a313ca 100755
--- a/cli/icevault
+++ b/cli/icevault
@@ -129,7 +129,7 @@ sub loadConfig() {
         chomp;
         s/#.*//;         # ignore comments
         next if /^\s*$/; # ignore empty and blank lines
-        /^([-\@a-zA-Z0-9.]+)(?:\s*=\s*)(\p{Print}+)/ or error "Can't parse config line: C<%s>", $_;
+        /^([-\@a-zA-Z0-9.]+)\s*=\s*(\p{Graph}\p{Print}*)/ or error "Can't parse config line: C<%s>", $_;
         $CONFIG{$1} //= $2;
     }
     close $CONFIG;
diff --git a/cli/icevault.1 b/cli/icevault.1
index d1a2084..81c8322 100644
--- a/cli/icevault.1
+++ b/cli/icevault.1
@@ -173,8 +173,12 @@ Show the version number and exit.
 
 \fBicevault\fR reads it configuration from
 \fI$XDG_CONFIG_HOME/icevault\fR, or \fI~/.config/icevault\fR if
-XDG_CONFIG_HOME is unset.
-Empty lines and comments (starting with a "#" characters are ignored).
+the XDG_CONFIG_HOME environment variable is unset.
+Options given on the command line override those found in the
+configuration file.
+The syntax of the configuration file is a serie of
+\fIOPTION\fR=\fIVALUE\fR lines;
+everything after a "#" is considered a comment and ignored.
 Valid options are:
 
 .TP