Clarified relation of startup files, -options_from_file and quoted input.

libisoburn/trunk/xorriso/xorriso.1

@@ -9,7 +9,7 @@
 .\" First parameter, NAME, should be all caps
 .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
 .\" other parameters are allowed: see man(7), man(1)
-.TH XORRISO 1 "Mar 21, 2011"
+.TH XORRISO 1 "Apr 03, 2011"
 .\" Please adjust this date whenever revising the manpage.
 .\"
 .\" Some roff macros, for reference:
@@ -2098,6 +2098,9 @@ fail deliberately.
 for the length of file names. 0 disables this feature, -1 chooses maximum
 length limit, numbers larger than 0 give the desired length limit.
 .br
+"joliet_long_names" allows Joliet leaf names up to 103 characters rather
+than 64.
+.br
 "joliet_long_paths" allows Joliet paths longer than 240 characters.
 .br
 "always_gmt" stores timestamps in GMT representation with timezone 0.
@@ -3793,7 +3796,12 @@ prevents reading and interpretation of eventual startup
 files. See section FILES below.
 .TP
 \fB\-options_from_file\fR fileaddress
-Read quoted input from fileaddress and executes it like dialog lines.
+Read quoted input from fileaddress and execute it like dialog lines.
+Empty lines and lines which begin by # are ignored. Normally one line
+should hold one xorriso command and all its arguments. Nevertheless lines
+may be concatenated by a trailing backslash.
+.br
+See also section "Command processing", paragraph "Quoted input".
 .TP
 \fB\-help\fR
 .br
@@ -4507,7 +4515,7 @@ to read and execute lines from the following files:
    $HOME/.xorrisorc
 .br
 The files are read in the sequence given above, but none of them is required
-to exist.
+to exist. The line format is described with command -options_from_file.
 .br
 If mkisofs emulation was enabled by program name "xorrisofs", "mkisofs",
 "genisoimage", or "genisofs", then afterwards -read_mkisofsrc is performed,