Omit brackets in Knit relative links

Author: qwwdfsad

docs/channels.md

@@ -22,7 +22,7 @@ class ChannelsGuideTest {
 
 <!--- TOC -->
 
-* [Channels (experimental)](#channels-(experimental))
+* [Channels (experimental)](#channels-experimental)
   * [Channel basics](#channel-basics)
   * [Closing and iteration over channels](#closing-and-iteration-over-channels)
   * [Building channel producers](#building-channel-producers)

docs/select-expression.md

@@ -25,7 +25,7 @@ class SelectGuideTest {
 
 <!--- TOC -->
 
-* [Select expression (experimental)](#select-expression-(experimental))
+* [Select expression (experimental)](#select-expression-experimental)
   * [Selecting from channels](#selecting-from-channels)
   * [Selecting on close](#selecting-on-close)
   * [Selecting to send](#selecting-to-send)

knit/src/Knit.kt

@@ -328,6 +328,8 @@ fun makeSectionRef(name: String): String = name
     .replace(' ', '-')
     .replace(".", "")
     .replace(",", "")
+    .replace("(", "")
+    .replace(")", "")
     .toLowerCase()
 
 class Include(val regex: Regex, val lines: MutableList<String> = arrayListOf())