print: don't show a trailing space when description is blank

hledger-lib/Hledger/Data/Transaction.hs

@@ -72,8 +72,8 @@ showTransaction' elide effective t =
            | otherwise = showdate (tdate t) ++ maybe "" showedate (teffectivedate t)
       status = if tstatus t then " *" else ""
       code = if length (tcode t) > 0 then printf " (%s)" $ tcode t else ""
-      desc = ' ' : tdescription t
-      comment = if null com then "" else "  ; " ++ com where com = tcomment t
+      desc = if null d then "" else " " ++ d where d = tdescription t
+      comment = if null c then "" else "  ; " ++ c where c = tcomment t
       showdate = printf "%-10s" . showDate
       showedate = printf "=%s" . showdate
       showpostings ps

tests/amount-layout-vertical.test

@@ -7,7 +7,7 @@ bin/hledger -f - print
     b  USD 1  ; a dollar
     c         ; a euro and a dollar
 >>>
-2010/01/01 
+2010/01/01
     a         EUR 1  ; a euro
     b         USD 1  ; a dollar
              EUR -1                       

tests/cleared-marker.test

@@ -18,7 +18,7 @@ bin/hledger -f- print --cleared
     a             1
     b            -1
 
-2010/01/03 * 
+2010/01/03 *
     a             1
     b            -1
 

tests/include.test

@@ -1,16 +1,16 @@
 # nested includes in subdirectories
  mkdir -p b/c/d ; printf '2010/1/1\n (D)  1\n' >b/c/d/d.journal ; printf '2010/1/1\n (C)  1\n!include d/d.journal\n' >b/c/c.journal ; printf '2010/1/1\n (B)  1\n!include c/c.journal\n' >b/b.journal ; printf '2010/1/1\n (A)  1\n!include b/b.journal\n' >a.journal ; bin/hledger -f a.journal print; rm -rf a.journal b
 >>>
-2010/01/01 
+2010/01/01
     (A)             1
 
-2010/01/01 
+2010/01/01
     (B)             1
 
-2010/01/01 
+2010/01/01
     (C)             1
 
-2010/01/01 
+2010/01/01
     (D)             1
 
 >>>2

tests/metadata.test

@@ -12,7 +12,7 @@ bin/hledger -f - print
     ; posting2data1:
 ; posting2nonmetadata:
 >>>
-2010/01/01 
+2010/01/01
     a             1
     b            -1
 

tests/precision.test

@@ -9,7 +9,7 @@ bin/hledger -f - print --cost
    a  1C @ $1.0049
    a
 >>>
-2010/01/01 
+2010/01/01
     a             0
     a         $1.00
     a        $-1.00
@@ -25,7 +25,7 @@ bin/hledger -f - print
    a  1C @ $1.0049
    a
 >>>
-2010/01/01 
+2010/01/01
     a             0
     a  1C @ $1.0049
     a  -1C @ $1.0049