update h1 title regex

HOWTO.md

@@ -64,7 +64,7 @@ Here is an example of possible `.gitlab-ci.yml`:
 pages:
   image: alpine
   script:
-    - wget -c https://github.com/kpym/gm/releases/download/v0.17.1/gm_0.17.1_Linux_64bit.tar.gz -O - | tar -C /usr/local/bin -xz gm
+    - wget -c https://github.com/kpym/gm/releases/download/v0.17.2/gm_0.17.2_Linux_64bit.tar.gz -O - | tar -C /usr/local/bin -xz gm
     - gm --pages '**/*'
   artifacts:
     paths:

README.md

@@ -23,7 +23,7 @@ This tool is a thin wrapper around the [github.com/yuin/goldmark](https://github
 
 ```
 > gm -h
-gm (version: 0.17.1): a goldmark cli tool which is a thin wrapper around github.com/yuin/goldmark (versio: v1.5.6).
+gm (version: 0.17.2): a goldmark cli tool which is a thin wrapper around github.com/yuin/goldmark (versio: v1.5.6).
 
   If not serving (no '--serve' or '-s' option is used):
   - the .md files are converted and saved as .html with the same base name;

gm_compile.go

@@ -13,7 +13,7 @@ import (
 )
 
 // regexTitle is used to find the first h1 title (if any)
-var regexTitle = regexp.MustCompile(`(?m)<h1[^>]*>([^<]+)</h1>`)
+var regexTitle = regexp.MustCompile(`(?m)<h1[^>]*>(.*?)</h1>`)
 
 // getTitle search for the first h1 title in the markdown
 // if there is no one it returns the default title