some fixes for manpage

diff --git a/umpf.1 b/umpf.1
index e696e6e9954ee1d5009c3f1d5a1e2aeedaa2d7ad..147fef883f415f7a5c2c58ec26305116b993c786 100644 (file)
--- a/umpf.1
+++ b/umpf.1
@@ -4,6 +4,8 @@ umpf \- universal mail processing filter
 .SH SYNOPSIS
 .B umpf
 [-c config_file] [-m default_mailbox]
+.SH AVAILABILITY
+Linux only.
 .SH DESCRIPTION
 Umpf is a program that reads an e-mail from stdin and according to the config
 file decides, what to do with it. It is possible to forward the e-mail,
@@ -52,12 +54,12 @@ pipe can be used to do it)
 refers to the output of last external program executed by action pipe
 .SS COMMANDS
 A command is either an action specification or an assignment. All the
-commands must with semicolon. Commands can be grouped in blocks bounded by
+commands must end with semicolon. Commands can be grouped in blocks bounded by
 braces.
 .SS ASSIGNMENTS
 Assignment is specified in a following way:
 .P
-.B Lvalue = Rvalue ;
+.B "Lvalue = Rvalue ;"
 .P
 Lvalue is a variable identifier. Rvalue can be variable, a constant (constant
 must be given in double quotes) or an expression consisting of variables,
@@ -66,7 +68,7 @@ constants and binary operations
 , 
 .B +
 , 
-.B -
+.B \-
 , 
 .B * 
 and 
@@ -74,18 +76,18 @@ and
 , operation 
 .B . 
 stands for string contatenations, the rest of them are arithmetic operations.
-Doing arithemtic operations makes sense only on integers. Precedence of the
+Doing arithmetic operations makes sense only on integers. Precedence of the
 operations can be specified using parentheses.
 .SS ACTIONS
-Actions are specified with an arrow operator. Plain
+Actions are specified with an arrow operator.
 .TP
-.B -> ;
+.B "-> ;"
 means "deliver the e-mail to the default mailbox and exit".
 .TP
-.B -> expression ;
+.B "-> expression ;"
 means "deliver the e-mail the mailbox specified behind arrow and exit"
 .TP
-.B -> pipe expression ;
+.B "-> pipe expression ;"
 means "pipe the e-mail to the external program specified behind pipe
 keyword". Output of the program is stored in 
 .B $LAST_OUTPUT
@@ -93,14 +95,14 @@ variable, its exit code is stored in
 .B $LAST_EXIT_CODE
 variable.
 .TP
-.B -> filter expression
-means "pipe the e-mail to the external program and replace it with output of the program". All the headers variables, 
+.B "-> filter expression"
+means "pipe the e-mail to the external program and replace it with output of the program". All the header variables, 
 .B $MAIL_LEN
 and 
 .B $LAST_EXIT_CODE
 are set accordingly.
 .TP
-.B -> discard ;
+.B "-> discard ;"
 means just "discard the email and exit". 
 .TP
 .B -> mail expression ;
@@ -111,33 +113,33 @@ If action fails, the e-mail is delivered to the default mailbox.
 Some of the actions (delivery or forwarding an e-mail) can have keyword copy
 in front of the arrow, ie.
 .P
-.B copy -> "mailbox";
+.B "copy -> $mailbox;"
 .P
 When copy is specified, the program does not exit after doing an action but
-continues reading the rules. It also does not deliver to default mailbox if
+continues reading the rules. It also does not deliver to the default mailbox if
 action fails.
 .SS CONDITIONS
 Conditional execution of commands can be specified in a following way:
 .P
-.B if (condition) { ... }
+.B "if (condition) { ... }"
 .P
-.B if (condtion) { ... } else { ... }
+.B "if (condtion) { ... } else { ... }"
 .P
-.B if (condition) { ... } else if { ... } [ else { ... } ]
+.B "if (condition) { ... } else if { ... } [ else { ... } ]"
 .P
 where the condition can be a constant, a variable or an expression consisting
 of following operations:
 .TP
-.B & 
+.B "&" 
 is binary boolean and
 .TP
-.B |
+.B "|"
 is binary boolean or
 .TP
-.B ^ 
+.B "^" 
 is binary boolean xor
 .TP
-.B !
+.B "!"
 is unary boolean not
 .TP -1
 A variable or a constant has a boolean value 0, if its value is either "" or
@@ -146,8 +148,7 @@ A variable or a constant has a boolean value 0, if its value is either "" or
 Expressions can be compared using following binary relations.
 .P
 String comparisons:
-.P
-.TP
+.TP 5
 .B ~~ 
 means "matches" (left operand should be string, right one can be a perl compatible regular expression)
 .TP
@@ -155,7 +156,7 @@ means "matches" (left operand should be string, right one can be a perl compatib
 means "does not match"
 .TP -1
 Integer comparisons (does not make sense on strings):
-.TP
+.TP 5
 .B ==
 means "is equal to"
 .TP