fix(cabook): Only attempt to run numbering :pre & :post hooks if they…

… exist
sile-typesetter · Jan 31, 2023 · 9fb57c4 · 9fb57c4
1 parent e1c57b3
commit 9fb57c4
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/packages/cabook-block-styles.lua b/packages/cabook-block-styles.lua
@@ -118,8 +118,8 @@ function package:registerCommands ()
               level = 2,
               reset = false,
               display = options.display,
-              prenumber = "book:chapter:pre",
-              postnumber = "book:chapter:post"
+              prenumber = "cabook:chapter:pre",
+              postnumber = "cabook:chapter:post"
             }, content)
         end)
         SILE.call("cabook:font:chaptertitle", {}, content)

diff --git a/packages/cabook-commands.lua b/packages/cabook-commands.lua
@@ -162,12 +162,12 @@ function package:registerCommands ()
         local val = self.class.packages.counters:formatCounter({ display = "arabic", value = counters.value[level] })
         toc_content[1] = val .. ". " .. SU.contentToString(content[1])
       end
-      if options.prenumber then
+      if options.prenumber and SILE.Commands[options.prenumber] then
         if SILE.Commands["book:chapter:precounter"] then SILE.call("book:chapter:precounter") end
         SILE.call(options.prenumber)
       end
       SILE.call("show-multilevel-counter", { id = "sectioning", display = options.display, minlevel = level, level = level })
-      if options.postnumber then
+      if options.postnumber and SILE.Commands[options.postnumber] then
         SILE.call(options.postnumber)
       end
       local number = self.class.packages.counters:formatCounter({ display = "arabic", value = counters.value[level] })