Document for -l/--limit and %(remaing)/%(duration)

Update man-page and manual to describe limit option, and new formatting options
for %(remaining) and %(duration).

Signed-off-by: William Pettersson <william.pettersson@gmail.com>
Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

doc/calcurse.1.txt

@@ -43,8 +43,8 @@ Synopsis
 
 [verse]
 *calcurse* [*-h*|*-v*] [*-an*] [*-t*[num]] [*-c*<file>] [*-D*<dir>]
-         [*-i*<file>] [*-x*[format]] [*-d* <date>|<num>]
-         [*-s*[date]] [*-r*[range]] [*-S* <regex>] [*--status*]
+         [*-i*<file>] [*-x*[format]] [*-d* <date>|<num>] [*-s*[date]]
+         [*-l* <num>] [*-r*[range]] [*-S* <regex>] [*--status*]
 
 Description
 -----------
@@ -135,6 +135,9 @@ appointments can be specified using the *-c* flag.
 *-i* <file>, *--import* <file>::
   Import the icalendar data contained in 'file'.
 
+*-l* <num>, *--limit* <num>::
+  Limit the number of results printed to 'num'.
+
 *-n*, *--next*::
   Print the next appointment within upcoming 24 hours and exit.  The indicated
   time is the number of hours and minutes left before this appointment.
@@ -265,9 +268,10 @@ short specifiers and corresponding long options:
 
 * *s*: *(start)*
 * *S*: *(start:epoch)*
-* *d*: *(duration)*
 * *e*: *(end)*
 * *E*: *(end:epoch)*
+* *d*: *(duration)*
+* *r*: *(remaining)*
 * *m*: *(message)*
 * *n*: *(noteid)*
 * *N*: *(note)*
@@ -280,6 +284,19 @@ and *default* (which is mostly equivalent to *(start:%H:%M)* or *(end:%H:%M)*
 but displays *..:..* if the item doesn't start/end at the current day) are
 supported.
 
+The *(remaining)* and *(duration)* specifiers support a subset of the
+strftime()-style formatting options, along with two extra qualifiers.
+The supported options are *%d*, *%H*, *%M* and *%S*, and by default each
+of these is zero-padded to two decimal places. To avoid the
+zero-padding, add *-* in front of the formatting option (for example,
+*%-d*). Additionally, the *E* option will display the total number of
+time units until the appointment, rather than showing the remaining
+number of time units modulo the next larger time unit. For example, an
+appointment in 50 hours will show as 02:00 with the formatting string
+*%H:%M*, but will show 50:00 with the formatting string *%EH:%M*. Note
+that if you are combining the *-* and *E* options, the *-* must come
+first. The default format for the *(remaining)* specifier is *%EH:%M*.
+
 Notes
 -----