Merge pull request #569 from Altariarite/Fonts.lagda.md

changed codeblocks to displays in Fonts.lagda.md

src/plfa/backmatter/Fonts.lagda.md

@@ -11,8 +11,6 @@ module plfa.backmatter.Fonts where
 
 Preferably, all vertical bars should line up.
 
-```
-{-
     --------------------------|
     abcdefghijklmnopqrstuvwxyz|
     ABCDEFGHIJKLMNOPQRSTUVWXYZ|
@@ -84,26 +82,18 @@ lˡrʳ|
     ⨆⨆⨆⨆|
     〔〔〕〕|
     ----|
--}
-```
 
 In the book we use the em-dash to make big arrows.
 
-```
-{-
     ----|
     —→—→|
     ←—←—|
     ↞—↞—|
     —↠—↠|
     ----|
--}
-```
 
 Here are some characters that are often not monospaced.
 
-```
-{-
     ----|
     😇😇|
     😈😈|
@@ -119,5 +109,3 @@ Here are some characters that are often not monospaced.
     ℰℱ|
     ----------|
 
--}
-```