Keep snippet vars definitions in a single format across all snippets and documentation.

The format is:

# var-name: value

Previously snippets used a mixture of the following formatting:

#var-name: value
#var-name : value
# var-name: value
# var-name : value

snippets/perl-mode/eval

@@ -1,4 +1,4 @@
-#name : eval { ... } if ($@) { ... }
+# name: eval { ... } if ($@) { ... }
 # key: eval
 # --
 eval {

snippets/perl-mode/for

@@ -1,4 +1,4 @@
-#name : for (...) { ... }
+# name: for (...) { ... }
 # key: for
 # --
 for (my \$${1:var} = 0; \$$1 < ${2:expression}; \$$1++) {

snippets/perl-mode/fore

@@ -1,4 +1,4 @@
-#name : foreach ... { ... }
+# name: foreach ... { ... }
 # key: fore
 # --
 foreach my \$${1:x} (@${2:array}) {

snippets/perl-mode/if

@@ -1,4 +1,4 @@
-#name : if (...) { ... }
+# name: if (...) { ... }
 # key: if
 # --
 if ($1) {

snippets/perl-mode/ife

@@ -1,4 +1,4 @@
-#name : if (...) { ... } else { ... }
+# name: if (...) { ... } else { ... }
 # key: ife
 # --
 if ($1) {

snippets/perl-mode/ifee

@@ -1,4 +1,4 @@
-#name : if, elsif, else ...
+# name: if, elsif, else ...
 # key: ifee
 # --
 if ($1) {

snippets/perl-mode/sub

@@ -1,4 +1,4 @@
-#name : sub ... { ... }
+# name: sub ... { ... }
 # key: sub
 # --
 sub ${1:function_name} {

snippets/perl-mode/unless

@@ -1,4 +1,4 @@
-#name : unless (...) { ... }
+# name: unless (...) { ... }
 # key: unless
 # --
 unless ($1) {

snippets/perl-mode/while

@@ -1,4 +1,4 @@
-#name : while (...) { ... }
+# name: while (...) { ... }
 # key: while
 # --
 while ($1) {

snippets/perl-mode/xfore

@@ -1,4 +1,4 @@
-#name : ... foreach ...
+# name: ... foreach ...
 # key: xfore
 # --
 ${1:expression} foreach @${2:array};

snippets/perl-mode/xif

@@ -1,4 +1,4 @@
-#name : ... if ...
+# name: ... if ...
 # key: xif
 # --
 ${1:expression} if ${2:condition}

snippets/perl-mode/xunless

@@ -1,4 +1,4 @@
-#name : ... unless ...
+# name: ... unless ...
 # key: xunless
 # --
 ${1:expression} unless ${2:condition}

snippets/perl-mode/xwhile

@@ -1,4 +1,4 @@
-#name : ... while ...
+# name: ... while ...
 # key: xwhile
 # --
 ${1:expression} while ${2:condition};