Merge pull request #218 from Trivadis/feature/issue-210-highlight

Highlight violating lines in bad examples and fixes in good examples

Author: PhilippSalvisberg

docs/4-language-usage/1-general/g-1010.md

@@ -9,7 +9,7 @@ It's a good alternative for comments to indicate the start and end of a named pr
 
 ## Example (bad)
 
-``` sql
+``` sql hl_lines="2 4 6 8"
 begin
    begin
       null;
@@ -24,7 +24,7 @@ end;
 
 ## Example (good)
 
-``` sql
+``` sql hl_lines="2 5 7 10"
 begin
    <<prepare_data>>
    begin

docs/4-language-usage/1-general/g-1020.md

@@ -12,7 +12,7 @@ Use a label directly in front of loops and nested anonymous blocks:
 
 ## Example (bad)
 
-``` sql
+``` sql hl_lines="10 15 22 27 33"
 declare
    i            integer;
    co_min_value constant integer := 1;
@@ -52,7 +52,7 @@ end;
 
 ## Example (good)
 
-``` sql
+``` sql hl_lines="10 15 22 27 33"
 declare
    i            integer;
    co_min_value constant integer := 1;