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/cc-mode/do

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

snippets/cc-mode/for

@@ -1,4 +1,4 @@
-#name : for (...; ...; ...) { ... }
+# name: for (...; ...; ...) { ... }
 # key: for
 # --
 for (${1:int i = 0}; ${2:i < N}; ${3:++i})

snippets/cc-mode/if

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

snippets/cc-mode/inc

@@ -1,4 +1,4 @@
-#name : #include "..."
+# name: #include "..."
 # key: inc
 # --
 #include "$1"

snippets/cc-mode/inc.1

@@ -1,4 +1,4 @@
-#name : #include <...>
+# name: #include <...>
 # key: inc
 # --
 #include <$1>

snippets/cc-mode/main

@@ -1,4 +1,4 @@
-#name: int main(argc, argv) { ... }
+# name: int main(argc, argv) { ... }
 # key: main
 # --
 int main(int argc, char *argv[])

snippets/cc-mode/once

@@ -1,4 +1,4 @@
-#name : #ifndef XXX; #define XXX; #endif
+# name: #ifndef XXX; #define XXX; #endif
 # key: once
 # --
 #ifndef ${1:_`(upcase (file-name-nondirectory (file-name-sans-extension (buffer-file-name))))`_H_}

snippets/cc-mode/struct

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